Description: emits for alphaparticles and weak gammaradiation for alphaparticles completely blocked by the casing of the sensor gammaradiation however freely passesthrough the casing but due to very low energy around 60keV quickly absorbed by... more
Description: 1. Smoke & Carbon Monoxide Compound Alarm The carbon monoxide sensor and infrared photoelectric sensor are processed by microcomputer control technology which has the characteristics of good stability low power consumption and high... more
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