The principle of microwave radar is to detect the microwave generated by the movement of objects. The detection range is large, presenting a sector detection, which can be detected before and after. Even if there are objects blocked, it can still be detected, which is the best security equipment.

The human body induction switch can control the LED light, so it must be used to do an LED induction lamp, but to add a sensor or temperature temperature system with various sensors, and the control system.

32 countries have cancelled the GSP treatment for China's trade. What will exporters face?

The LED infrared induction lamp is a new generation of intelligent lighting fixtures that detect the infrared thermal radiation induction of the human body, detect the photoconitial state, open and close the luminaire, also called the LED human body induction lamp.

The difference between gas alarm and smoke detector, these two products whetheruse, appearance or installation, the difference is very big.

Infrared sensor is the use of infrared physical properties to measure the sensor. Infrared also known as infrared light, it has reflection, refraction, scattering, interference, absorption and other properties. Any substance that has a certain temperature of its own (above absolute zero) can emit in......