Overview of pir human motion sensor
HM612 is a newest smart digital motion detector. This Smart digital detector offers a complete motion detector solution, with all electronic circuitry built into the detector housing. Only a power supply and power-switching components need to be added to make the entire motion switch, a timer is included. The series has versions which can include ambient light level and sensitivity adjustments.
1µA Low Current Consumption
Infrared automatic PIR sensor light
Using battery power supply, PIR sensors are easily used in entrance, bathroom, corridor, and other temporary lighting places.
Compared to sound-control lights, pyroelectric sensor has better anti-jamming effect. Only sensitive to human body temperature. To light, when person come, and light off when person leave.