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8 Channel Relay Module Power Isolation Photocoupler Isolation USB Port BOOT Pin Pico Relay Module for Raspberry Pi Pico

8 Channel Relay Module Power Isolation Photocoupler Isolation USB Port BOOT Pin Pico Relay Module for Raspberry Pi Pico

1 x 8 Channel Relay Module 1 x Screwdriver more

$35.16

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4-Channel 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

4-Channel 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel 12V 30A relay module. Output capacity: within 30V 30A or AC 250V 30A. Using optocoupler isolation strong anti-jamming capability and stable... more

$14.18

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8-Channel 8CH Security CCTV AHd CVI/TVI/DVr NVR 5 in 1 Real time Video Recorder 100-240V UK

8-Channel 8CH Security CCTV AHd CVI/TVI/DVr NVR 5 in 1 Real time Video Recorder 100-240V UK

1�8 channel video recorder ? Real?time synchronous recording of channels multi?channel real?time playback and multi?channel multi?user network operation. 2�USB backup for video playback and evidence storage. 3�HD display support 1920 * 1080/1280... more

$69.41

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Evertech 8 Channel Indoor Outdoor HD Surveillance system with 1TB Hard Drive for Recording Remote Viewing Email Alert

Evertech 8 Channel Indoor Outdoor HD Surveillance system with 1TB Hard Drive for Recording Remote Viewing Email Alert

What s included: 8 channel Digital Video Recorder with 1TB Hard Drive installed 8 x 1080p HD Dome Security Cameras Power Supply for DVR CD Software for PC Monitoring User Manual 9 channel Power Supply box 8pcs. Video and Power 100 Ft cables 8pcs DC... more

$699.99

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GW Security 8 Channel 5MP (2.5X 1080P) CCTV Surveillance DVR System with 8 x Super 5.0MP HD 1920p AI Human Detection Waterproof Security Cameras 100ft IR Night Vision 2TB Hard Drive

GW Security 8 Channel 5MP (2.5X 1080P) CCTV Surveillance DVR System with 8 x Super 5.0MP HD 1920p AI Human Detection Waterproof Security Cameras 100ft IR Night Vision 2TB Hard Drive

The GW Security 5 Megapixels 2592TVI Professional Smart AI Video Analytics Security System: Simple Reliable Secure. (It comes with 1 Year Warranty and Free Tech Support) Overview 5 Megapixels is 2.5X the resolution of 2 Megapixels 1080p Full HD. You... more

$499.00

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{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System

{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System

{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System more

$141.99 $119.99

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Suzicca 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

Suzicca 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel 12V 30A relay module. Output capacity: within 30V 30A or AC 250V 30A. Using optocoupler isolation strong anti-jamming capability and stable... more

$16.99 $13.99

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GW 8 Channel 4K NVR 8MP (3840x2160) H.265+ Starvis Starlight Smart AI Security Camera System - 4 x UltraHD 4K Human Detection PoE IP Dome Camera - 8MP (Two Times the Resolution of 4MP HD)

GW 8 Channel 4K NVR 8MP (3840x2160) H.265+ Starvis Starlight Smart AI Security Camera System - 4 x UltraHD 4K Human Detection PoE IP Dome Camera - 8MP (Two Times the Resolution of 4MP HD)

Introducing our Newest AI Smart Functions security system with a 4K Ultra HD 8 Channel Network video recorder and 4 of the latest generation of Starvis 4K 8MP resolution Starlight Color night Vision AI IP cameras. This isn’t the same 4K IP... more

$599.00

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GW Security 8 Channel NVR 8MP Color Night Vision Security Camera System - 4 x UltraHD 4K Human Detection Microphone PoE IP Bullet Camera 15 Smart AI Functions

GW Security 8 Channel NVR 8MP Color Night Vision Security Camera System - 4 x UltraHD 4K Human Detection Microphone PoE IP Bullet Camera 15 Smart AI Functions

Introducing our Newest AI Smart Functions security system with a 4K Ultra HD 8 Channel Network video recorder and 4 of the latest generation of Starvis 4K 8MP resolution Starlight Color night Vision AI IP cameras. This isn’t the same 4K IP... more

$599.00

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GW High End 8 Channel Ultra 4K NVR H.265 5 Megapixel IP PoE Security Camera System - 4 x 5MP Super HD 1920p Weatherproof 2.8-12mm Lens Dome Camera 2TB HDD

GW High End 8 Channel Ultra 4K NVR H.265 5 Megapixel IP PoE Security Camera System - 4 x 5MP Super HD 1920p Weatherproof 2.8-12mm Lens Dome Camera 2TB HDD

Feature H.265 4K (3860 x 2160) NVR 8 Channel Full HD Max up to 4K / 8.0 Megapixel (3860 x 2160) H.265/H.264 Onvif NVR (Recording HD 4K/1920p/1536p/1080p Resolution Video per channel) 5.0 Megapixel at 2592 x 1920 pixels H.265 Ultra HD professional... more

$519.00

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4-button Remote Controller 433 MHz with 4-channel Wireless Decoding Module

4-button Remote Controller 433 MHz with 4-channel Wireless Decoding Module

brand new and high quality Instructions: How To Programming: 1. Delete existing data: Press learning button 8 times. Response: LED flashes 7 times. 2. Learning remote code: press learning for key once twice or three times (see below). LED turns on:... more

$9.27

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YOUNGNA 12V for DC 8 Channels USB Relay Module Computer Controller Board FTDI-Chip 8-Way

YOUNGNA 12V for DC 8 Channels USB Relay Module Computer Controller Board FTDI-Chip 8-Way

Features: brand new and high quality High performance chip when the board is connected to the PC and the PC is restarted the relays will be toggled several times. Double the high current rails additional PCB openings for better voltage isolation. USB... more

$21.95 $19.54

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moobody 4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

moobody 4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel 12V 30A relay module. Output capacity: within 30V 30A or AC 250V 30A. Using optocoupler isolation strong anti-jamming capability and stable... more

$13.69

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Speco ZIPK4N1 5-Piece Surveillance Kit (4) 5MP IP Cameras (1) 4-Channel NVR 1TB HDD

Speco ZIPK4N1 5-Piece Surveillance Kit (4) 5MP IP Cameras (1) 4-Channel NVR 1TB HDD

Recorder Features: Up to 5MP resolution for live view recording and playback Plug & Play – get video automatically via the PoE ports without any setup Supports H.265 and H.264 streams Free US-based DDNS service 4K monitor output Gigabit Ethernet port... more

$700.89 $612.29

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PT100 RTD RS485 Temperature Sensor Board Temp Acquisition Module Resistance Collector B500 -40-500°C DC12V 4-Channel Output

PT100 RTD RS485 Temperature Sensor Board Temp Acquisition Module Resistance Collector B500 -40-500°C DC12V 4-Channel Output

Elevate your precision in temperature monitoring and control with our advanced Temperature Sensor Module. This module is engineered for seamless integration with both PT100 3-wire and 2-wire sensors offering a versatile solution for a wide range of... more

$20.27

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GW Security 8 Channel 4K H.265 NVR IP Camera PoE Smart AI Human Detection Surveillance System - (8) HD 5MP 1920P Weatherproof Outdoor / Indoor Dome Security Cameras

GW Security 8 Channel 4K H.265 NVR IP Camera PoE Smart AI Human Detection Surveillance System - (8) HD 5MP 1920P Weatherproof Outdoor / Indoor Dome Security Cameras

This 5.0 Megapixel HD-IP new technology combines the low cost and easy installation of the Power Over Ethernet technology with the incredibly clear HD video technology (The best of both technologies are adapted into an affordable solution). Our high... more

$599.00

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GW 8 Channel 4K NVR 8MP (3840x2160) H.265+ Starvis Starlight Smart AI Security Camera System - 4 x UltraHD 4K Human Detection Poe IP Bullet Camera - 8MP (Two Times The Resolution of 4MP HD)

GW 8 Channel 4K NVR 8MP (3840x2160) H.265+ Starvis Starlight Smart AI Security Camera System - 4 x UltraHD 4K Human Detection Poe IP Bullet Camera - 8MP (Two Times The Resolution of 4MP HD)

Introducing our Newest AI Smart Functions security system with a 4K Ultra HD 8 Channel Network video recorder and 4 of the latest generation of Sony Starvis 4K 8MP resolution Starlight Color night Vision AI IP cameras. This isn’t the same 4K IP... more

$529.00

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GW Security 8 Channel 5MP (2.5X 1080P) CCTV Surveillance DVR System with 4 x Super 5.0MP HD 1920p AI Human Detection Waterproof Security Cameras 100ft IR Night Vision 1TB Hard Drive

GW Security 8 Channel 5MP (2.5X 1080P) CCTV Surveillance DVR System with 4 x Super 5.0MP HD 1920p AI Human Detection Waterproof Security Cameras 100ft IR Night Vision 1TB Hard Drive

The GW Security 5 Megapixels 2592TVI Professional Smart AI Video Analytics Security System: Simple Reliable Secure. (It comes with 1 Year Warranty and Free Tech Support) Overview 5 Megapixels is 2.5X the resolution of 2 Megapixels 1080p Full HD. You... more

$349.00

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FITE ON 100ft White BNC Cable Cord Lead Compatible with Night Owl 8 Channel DVR 1 TB HDD 4 5MP HD Bullet Camera

FITE ON 100ft White BNC Cable Cord Lead Compatible with Night Owl 8 Channel DVR 1 TB HDD 4 5MP HD Bullet Camera

FITE ON 100ft White BNC Cable Cord Lead Compatible with Night Owl 8 Channel DVR 1 TB HDD 4 5MP HD Bullet Camera This BNC Video and Power Cable Wire Cord from FITE ON has short circuit protection over-current protection over-voltage protection overload... more

$24.99

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{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System

{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System

{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System more

$259.99 $219.99

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LaMaz 8 Channel Relay Module Power Isolation Photocoupler Isolation USB Port BOOT Pin Pico Relay Module for Raspberry Pi Pico

LaMaz 8 Channel Relay Module Power Isolation Photocoupler Isolation USB Port BOOT Pin Pico Relay Module for Raspberry Pi Pico

Item Type: 8 Channel Relay Module Material: ABS Working Voltage: 5V Number of Relays: 8 Communication Protocol: Usb Communication Interface: Micro USB Contact Type: One Normally Open One Normally Closed more

$35.56

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GW Security 8 Channel 4K NVR IP Camera PoE Smart AI Human Detection Surveillance System - (4) HD 1920P Weatherproof Dome Security Cameras for Outdoor/Indoor Use

GW Security 8 Channel 4K NVR IP Camera PoE Smart AI Human Detection Surveillance System - (4) HD 1920P Weatherproof Dome Security Cameras for Outdoor/Indoor Use

This 5.0 Megapixel HD-IP new technology combines the low cost and easy installation of the Power Over Ethernet technology with the incredibly clear HD video technology (The best of both technologies are adapted into an affordable solution). Our high... more

$379.00

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evertech (pb04-03p) 4 channel 3 ampere ptc fuse cctv dvr security camera metal power supply box

evertech (pb04-03p) 4 channel 3 ampere ptc fuse cctv dvr security camera metal power supply box

evertech (pb04-03p) 4 channel 3 ampere ptc fuse cctv dvr security camera metal power supply box more

$35.99 $29.90

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OWSOO 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

OWSOO 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel 12V 30A relay module. Output capacity: within 30V 30A or AC 250V 30A. Using optocoupler isolation strong anti-jamming capability and stable... more

$14.99 $13.99

FREE shipping

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GW Security 8 Channel NVR 8MP Color Night Vision Security Camera System - 8 x UltraHD 4K Human Detection Microphone PoE IP Bullet Camera 15 Smart AI Functions

GW Security 8 Channel NVR 8MP Color Night Vision Security Camera System - 8 x UltraHD 4K Human Detection Microphone PoE IP Bullet Camera 15 Smart AI Functions

Introducing our Newest AI Smart Functions security system with a 4K Ultra HD 8 Channel Network video recorder and 8 of the latest generation of Starvis 4K 8MP resolution Starlight Color night Vision AI IP cameras. This isn’t the same 4K IP... more

$1,399.00 $1,099.00

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Evertech 8 Channel 4 CCTV Security Camera System 4TB HDD Realtime Surveillance Playback Remote Access Via Smartphone

Evertech 8 Channel 4 CCTV Security Camera System 4TB HDD Realtime Surveillance Playback Remote Access Via Smartphone

4 CCTV Security Camera Surveillance System with 4TB Hard Drive Memory for continuous recording. 8 Channel DVR 4 Cameras Power Supply Wires all included. Easy to configure access and control. View your system in real-time set your preferable recording... more

$459.99

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Tomshoo 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

Tomshoo 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel 12V 30A relay module. Output capacity: within 30V 30A or AC 250V 30A. Using optocoupler isolation strong anti-jamming capability and stable... more

$15.99 $13.99

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Htovila Relay Module 12v 30a Optocoupler Isolation 4-channelRelay D Optocoupler Rookin Relay Siuke 4-channel

Htovila Relay Module 12v 30a Optocoupler Isolation 4-channelRelay D Optocoupler Rookin Relay Siuke 4-channel

4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger This is a relay module with high performance which is convenient and practical for users. 4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation... more

$14.09

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8-Channel 8CH Security CCTV AHd CVI/TVI/DVr NVR 5 in 1 Real time Video Recorder 100-240V UK

8-Channel 8CH Security CCTV AHd CVI/TVI/DVr NVR 5 in 1 Real time Video Recorder 100-240V UK

1�8 channel video recorder ? Real?time synchronous recording of channels multi?channel real?time playback and multi?channel multi?user network operation. 2�USB backup for video playback and evidence storage. 3�HD display support 1920 * 1080/1280... more

$78.99

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6 Channel USB Relay Module Modes Adjustable HID Drive Free USB Relay Board for Home Farm 24V

6 Channel USB Relay Module Modes Adjustable HID Drive Free USB Relay Board for Home Farm 24V

1�MAIN USE: 6 channel USB relay module is used for wireless control relay on/off and development of embedded systems. 2�WIDE APPLICATION: This relay module is suitable for households farms factories offices laboratories supermarkets etc. 3�EASY... more

$16.79

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GW High End 8 Channel Ultra 4K NVR H.265 5 Megapixel IP PoE Security Camera System - 6 x 5MP Super HD 1920p Weatherproof 2.8-12mm Lens Dome Camera 2TB HDD

GW High End 8 Channel Ultra 4K NVR H.265 5 Megapixel IP PoE Security Camera System - 6 x 5MP Super HD 1920p Weatherproof 2.8-12mm Lens Dome Camera 2TB HDD

Feature H.265 4K (3860 x 2160) NVR 8 Channel Full HD Max up to 4K / 8.0 Megapixel (3860 x 2160) H.265/H.264 Onvif NVR (Recording HD 4K/1920p/1536p/1080p Resolution Video per channel) 5.0 Megapixel at 2592 x 1920 pixels H.265 Ultra HD professional... more

$699.00

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GW Security 8 Channel H.265 4K HDMI NVR/Network Video Recorder 8CH PoE Ports - Compatible with 8MP / 5MP /4MP 1080P Realtime IP Cameras (Pre-Installed 4TB HDD 2 x HDD Bay up to 28TB Total)

GW Security 8 Channel H.265 4K HDMI NVR/Network Video Recorder 8CH PoE Ports - Compatible with 8MP / 5MP /4MP 1080P Realtime IP Cameras (Pre-Installed 4TB HDD 2 x HDD Bay up to 28TB Total)

8-Channel H.265 4K 8MP NVR with 8 PoE Switch Build in - Supports Up to 28TB HDD + 8 x 8MP/5MP/4MP 1080P IP Cameras / Easy QR Code Smartphone Access / Access via standard web-browsers on MAC & PC / VGA & HDMI Output / Backup to External Storage via USB... more

$399.00

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GW Security 8 Channel 4K NVR 5MP Smart AI Human Detection Security Camera System with (8) x IP PoE 5MP 1920P Outdoor/Indoor Microphone Dome Cameras 100 Feet Night vision Free Remote Viewing

GW Security 8 Channel 4K NVR 5MP Smart AI Human Detection Security Camera System with (8) x IP PoE 5MP 1920P Outdoor/Indoor Microphone Dome Cameras 100 Feet Night vision Free Remote Viewing

Package Includes: • 1 x 8 Channel 4K NVR with 2TB Hard Drive (GW4108EP 2TB) • 8 x 5MP Microphone IP AI Camera (GW5077MIC) • 4 x 100 feet Ethernet cable for Connecting Cameras to PoE Switch (GWCAT100) • 4 x 60 feet Ethernet cable for Connecting... more

$999.00 $749.00

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Evertech 8 Channel 2TB Surveillance Video Recorder with PIR Motion Sensor Style Security Camera System

Evertech 8 Channel 2TB Surveillance Video Recorder with PIR Motion Sensor Style Security Camera System

1080p HD Security Camera Inside a Motion Sensor Perfect Solution For Discreet Video Surveillance. The camera can be used during the day and the night Indoor only. It has Night Vision function with Invisible Infrared Lens. 8 Channel HD DVR can support... more

$239.99

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{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System

{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System

{8-Channel 4K/8.0MP NVR} AI Detected POE Security Camera Network Video & Audio Recorder Systems OOSSXX Outdoor Surveillance Video System more

$209.99 $179.99

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Meterk 4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

Meterk 4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel DC 12V 30A relay module. Output capacity: within DC 30V 30A or AC 250V 30A. Using optocoupler isolation strong -jamming capability and stable... more

$13.38

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TVT Titanium 4 Channel Hybrid 4k DVR | ED8004H5-FN

TVT Titanium 4 Channel Hybrid 4k DVR | ED8004H5-FN

Overview 8MP Digital Video Recorder (DVR) Max. 6 Channel: Up to 4 Channel BNC Coaxial / Analog Security Cameras/6 Channel: Networking / Internet Protocol Security Camera (IPC) 4K@7FPS 4K Lite@15FPS 5MP@12FPS HDMI/VGA/CVBS(or Spot) Audio/ Alarm 1SATA... more

$179.00

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Andoer 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

Andoer 4-Channel 30A Relay Module Control Board Optocoupler Isolation HighLow Trigger

This is a relay module with high performance which is convenient and practical for users. Features: 4-channel 12V 30A relay module. Output capacity: within 30V 30A or AC 250V 30A. Using optocoupler isolation strong anti-jamming capability and stable... more

$14.99 $13.99

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Homevision Technology SeqCam Network Security DVR with 8 Channels-H.264-RS 485-USB Backup

Homevision Technology SeqCam Network Security DVR with 8 Channels-H.264-RS 485-USB Backup

This advanced 8 channels H.264 smart DVR allows remote access from the internet via Internet Explorer and select 3G/4G smartphones including iPhone Android and select Blackberry models. Features include motion activated recording real-time email alerts... more

$543.82

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3G/GSM Remote Controller 6 Channel Relay Output Alarm Input GSM‑RELAY6‑3G for Security Gate Access

3G/GSM Remote Controller 6 Channel Relay Output Alarm Input GSM‑RELAY6‑3G for Security Gate Access

Condition: 100% Brand NewItem Type: GSM Remote ControllerMaterial: ABSColor: As the Picture ShownWorking Voltage: DC12Vworking Frequency:UMTS: 850/900/1900/2100MHzGSM/EDGE: 850/900/1800/1900MHzRelay Output: 6 ChannelsAlarm Input Port: 6Application: For... more

$99.99

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