* Dual element PIR detection technology
* Adopts multi-grades intelligent signal processing software, full analysis and processing of al kinds of false alarm
* Adopts micro power-consumption 8 digits CMOS single chip control
* Refined mirror，can transport the infrared energy from different distance to PIR, which can recognize the true alarm signal from false alarm effectively.
* With high/low sensitivity selection
* Unique full-range temperature compensation technology.
* Anti strong EMI interference
* EI control mode for option.