Home Security › Alarm › Door Sensor

GREENCYCLE 2 Set Seperated Welcome Chime Wireless Doorbell Motion Sensor Alarm Entry Door Bell PIR Infrared Detector Window Split Alarm Welcome Reminder Color Light with Control Remote

The following magnetic alarm entry door bell kits can only sound an alarm: -Alarm Sensor -Alarm Bell+Alarm Sensor The following magnetic alarm entry door bell kits can choose to output music or alarm sound: -Music Sensor -Alarm Bell+Music Sensor -Alarm... more

Overhead Door Floor Garage Roll-Up Shutter Contact Sensor Security Alarm Switch

Overhead Mounted Switch with Magnet Heavy Duty Roller Shutter Contact Magnet Mounted on Bracket Wide Operating Gap 3 minimum 30-3/4 PVC 22AWG Cable with 21-1/2 armored sleeve more

Xodus Innovations Entry Alarm in Gray | 5 H x 2.25 W x 1.25 D in | Wayfair HS4317B

Wireless Key Pad Alarm/ChimeFeatures:4 Digit pinMount to door or windowInstant or delay settingsEntry chimeBattery operatedRequires 3 AA alkaline batteries (not included)Product Type: Entry Alarm;Alarm Key PadFunction: KeylessFinish: GrayHand Painted:... more

RC33 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White

Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm / 9.8"; Total Size: 16.5mm x 10.5mm/0.65" x 0.41" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available NO means… more

RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch - White

Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 17mm x 10.6mm/0.67" x 0.42" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… more

2pcs RC33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm Cable Length: 25cm/9.8"; Total Size: 17.5mm x 10.6mm/0.69" x 0.41" (L*D) This Recessed Door Contact Sensor works with any access control or burglar alarm system available N.C. means… more

Special Buys!Infrared Radiation Detector Automatic Door Light Sensor Burglar Alarm Single Beam

short description is not available more

Overhead Garage Door Floor Alarm System Switch Contact Sensor Track Mounted

Overhead Door Contact or Switch with magnet and bracket Heavy duty Track Contact Sturdy polished aluminum die-cast housing Magnet mounted on adjustable bracket Wide operating 3 gap more

433Mhz Wireless Magnetic Door Sensor Door Window Alarm Home Automation -Theft Alarm Compatible With 433MHz Gateway Host For Smart Home Alarm System

Overview: This item is a door and window alarm sensor. door alarms can work with 433MHz Gateway Host to detect door s opening status and immediately send alarm notification message to APP. Features: *Simply attach one piece to your door window or... more

Coastacloud Wireless Smart Home Security Alarm System 3 in 1 Night Light Doorbell Infrared PIR Motion Sensor Detector Alert with 52 Chimes Call Button and Keypad

Home Security Infrared Sensor Alarm + Doorbell ChimeButton + Smart Night Light Wireless Smart Home Security Alarm System 3 in1 Night Light Doorbell Infrared PIR Motion Sensor detector Alert with 52 ChimesCall Button and Keypad Features: 1. Home... more

Wireless Smart Home Security Alarm System 3 in 1 Night Light Doorbell Infrared PIR Motion Sensor Detector Alert with 52 Chimes Call Button and Keypad

Do you still use the tradition doorbell which only is a doorbell? Do you want a doorbell also come with security sensor function and smart night light? Try our this Ring Wireless Smart Motion Sensor Alert System! Wireless Smart Compact Portable andamp;... more

3pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are... more

Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch

NO NC type designed for use with alarm systems. Great for use in family and factory window door. etc. Switch Type: NC(normal close type) the circuit is closed normally and that if a magnet comes near it the circuit opens. Switch Type: NO(normal open... more

5pcs RC-35 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that... more

Wireless Home Window Door Burglar Security Sensor Alarm System for Home Security System;Wireless Home Window Door Burglar Security Sensor Alarm System

Features: - Self-adhesive easy to install and operate. - The 108 dB loud alarm prevents intruders from entering through your door/window. - Low battery warning when the battery needs to be replaced the LED will flash once per second. - 4 in 1... more

4pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are... more

2pcs RC-33 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown

Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that... more

2pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that... more

2 Pack Overhead Door Floor Garage Shutter Contact Sensor Security Alarm Switch

Overhead Mounted Switch with Magnet Heavy Duty Roller Shutter Contact Magnet Mounted on Bracket Wide Operating Gap 3 minimum 30-3/4 PVC 22AWG Cable with 21-1/2 armored sleeve 82mm x 55mm x 31mm for bracket 105mm x 45mm x 10mm for contact Not for AC... more

OTVIAP Touch Sensor Alarm Vibration Door Alarm 120dB Touch Sensor Door Handle Alarm Anti-theft Vibration Window Burglar Alert Home Security

Features: 120dB super loud alarm ringing frightens thieves away more secure in use. Easy operation simple one-button switch control doorbell/alarm double mode can be selected. With this alarm installed in your house office factory when the doors and... more

Cordless Door Reminder Door Alarm Sensor Home Security Door Open Contact Sensors Open Alarm Indicator Easy Installation Ideal for Home Garage Apartment

Product Name: Door Reminder Product color: White Material:ABS Gross weight: 0.22lbs/0.100kg Product Dimensions: /3.15x3.15x1.10inch/8x8x2.8cm Packing size: 3.94x3.54xx1.97inch/10x9x5cm Customisable voice recording reminder unlimited language settings... more

Zaqw Loud Door Knob Alarm Touch Sensor 120db Wireless Touch Sensor Anti Theft Security Alarm Loud Door Knob

Features: 100% and excellent quality. 120db ultra loud alarm ringing. Adopts ABS material lightweight antirust and . When you install the touch sensor in your house office or factory it will ring to alarm once children open the doors and windows or a... more

Smart Motion Sensor Alarm Wireless Doorbell Plug-in Door Bell Home Infrared Detector Alert Kits with 2 PIR Sensors 1 Receiver 38 Chime Tunes LED Indicators

Please note this item ships from an international seller. Expected delivery is 10-15 days.Features: The Infrared sensor detects the motion and sends signals to the receiver. Switch among 38 kinds of ringing sound with bright LED Light. The portable... more

Tebru Infrared Photoelectric Beam Sensor Barrier Detector Alarm System for Revolving Sliding Automatic Door Infrared Sensor Infrared Beam Detector

Feature: 1. With the function of infrared alarm the maximum sensing distance is about 12m/39.37ft. 2. After the sensor is installed an alarm is issued when the object passes the range of the radiation. 3. Widely in lift doors revolving doors sliding... more

433Mhz Wireless Magnetic Door Sensor Door Window Alarm Home Automation Anti-Theft Alarm Compatible With RF 433MHz Gateway Host For Smart Home Alarm System

Overview: This item is a door and window alarm sensor. The door alarms can work with RF 433MHz Gateway Host to detect the door s opening status and immediately send alarm notification message to the APP. Features: *Simply attach one piece to your door... more

5pcs RC-35 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are... more

Window Alarm 12-Pack Mini Window Door Entry Alarm Burglar Security Alarm System Sensor Protector for Home

1 more

2 Pack Wireless Door Window Alarm Magnetic Burglar Alert Sensor with Batteries Loud Door Alarms for Kids Safety DIY for Home Security Office Protection Shopping Store

Unisex suitable for men and women - With zipper closure and tighten elastic band you do not need to worry the rain will wet your beloved shoes. Great waterproof and slip-resistant performance safety and environmental protection durable. After use just... more

Big Holiday 50% Clear! Wireless Door Reminder Door Alarm Sensor Door Open Alarm Indicator for Office/Home/Store When Entering Gifts

Hello! Welcome to our store! Quality is the first with best service. customers all are our friends. Wireless Door Reminder Door Alarm Sensor Door Open Alarm Indicator for Office/Home/Store When Entering Specification: Product Name: Door Reminder... more

Wsdcam Wireless Door Alarm with Remote 105dB Loud Pool Door Alarm Sensor for Kids Safety Home Security- 2 Pack

Wsdcam Wireless Door Alarm with Remote 105dB Loud Pool Door Alarm Sensor for Kids Safety Home Security- 2 Pack Many burglaries occur from break-ins through doors/windows especially side rear and garage doors. Wsdcam door security devices with 105 dB... more

Wsdcam Door and Window Alarm Wireless Home Security Alarm System Magnetic Alarm Sensor 110dB 4-in-1 Alarms 10 Pack

Wsdcam Door and Window Alarm Wireless Home Security Alarm System Magnetic Alarm Sensor A simple-to-use cost-effective security solution to protect you and your family against home invasions. 4 in 1 function -- General Alarm Constant Alarm Closing-door... more

Door Window Alarm Personal Security Window Burglar Alarm Home Security Wireless Magnetic Sensor Anti-Theft Alarm (6 Pcs) Home Alarm(Batteries not included)

Why choose siisll Alarms? Using premium materials is the key factor to a good product from tiny integrated circuit to thin double-sided adhesive tape we strictly follow this rule to produce high quality alarms. That’s why siisll alarms are very... more

2 Pack Overhead Garage Door Floor Alarm Switch Contact Sensor Track Mounted

18 long PVC Cable with armored sleeve Wide for reduced false alarms Magnet included with contact and bracket When the magnet is next to the switch the loop is closed When the magnet is pulled away the loop opens Package of 2 more

2 Pack Overhead Garage Door Floor Alarm Switch Contact Sensor Track Mounted

18 long PVC Cable with armored sleeve Wide for reduced false alarms Magnet included with contact and bracket When the magnet is next to the switch the loop is closed When the magnet is pulled away the loop opens Package of 2 more

Overfox 2 Pack Wireless Door Alarm with Remote Windows Open Alarms Home Security Sensor Pool Alarm for Kids Safety Prevent Robbery

Features: 1. Brand new and high quality. Super environmental adaptability and stability. Easily install on windows or doors through adhesives. Suitable for families apartments mobile homes offices hotel rooms garages etc. 2. Super loud 90-decibel alarm... more

Ooma Water Sensor works with Ooma Smart Home Security. No contracts and free self-monitor plan. Optional professional monitoring motion door/window siren smoke keypad and garage door sensor

Keep your home safe wherever you are with the Ooma Water Sensor. You can get alerts from anywhere that let you know about damaged pipes leaky roofs water heater problems and more. With easy setup this sensor is made for the savvy homeowner. more

Security Home Alarm System Wireless Smart 8-Piece Kit DIY WiFi & 4G Touch Panel Doorbell Motion & Door Alarm Sensors Security Smart Home Burglar Alarm System & Business Security

Elder security burglar home alarm system wireless is an 8-piece WiFi security kit for smart home alarm system & business security system. Elder home security alarm system supports WiFi (2.4GHz) and 4G SIM GSM and features unique options partial arm... more

Security Home Alarm System Wireless Smart 14-Piece Kit DIY WiFi & 4G Touch Panel Doorbell Motion & Door Alarm Sensors Security Smart Home Burglar Alarm System & Business Security

Elder security burglar home alarm system wireless is a 14-piece WiFi security kit for smart home alarm system & business security system. Elder home security alarm system supports WiFi (2.4GHz) and 4G SIM GSM and features unique options partial arm... more