Features: a. LoRa Intelligent PIR Detector, need to be used with lora alarm controller. b. Wireless two-way communication, can automatically report the device status ( battery power,          tamper-proof, alarm status). c. Wide wireless coverage, typical application environment coverage radius up to 1km. d. Low power consumption, the detector battery can work continuously for more than 1 year. e. With LoRa Wireless Technologies, longer for transmission distance, and LoRa wireless communication has strong anti-interference ability. f. With self-checking function, supporting the panel to realize low voltage alarm, disconnection alarm, tamper alarm function. g. The equipment adopts advanced intelligent power saving mode design, which can ensure the long service life of the battery even in the environment with large flow of people. h. The device has a high and low sensitivity switching function, and different working modes can be selected according to different scenarios. i Advanced intelligent logic processing technology to reduce false alarms caused by the environment. j. Automatic temperature compensation, reduce anti-false alarm. k. Super anti-interference technology, anti-radiation interference can reach 20V / m-1GHz.