Features:
* Adopt advanced and stable circuit design, very low rate of failure alarm and false alarm
* Fine anti-interference-30V/M from 30MHz to 1000MHz
* Excellent Fresenel optical lens, more powerful ability of capturing of human infrared ray.
* Automatic alternation pulse count.
* Dual-layer structure temperature compensation technology, which has solved the problem of interference from normal temperature.
* ESD. Anti electric-strike and interference from mobile phone
* Low power consumption (<10 mA stand by, 17mA alarm)
* Pulse count for option (1, 2 or 3)
* Various kinds of lens for option (4 types: Curtain, pet-immunity, wide-angle, long-distance)
* Detection range for curtain lens: 12*6m
* Detection range for pet-immunity lens: 12*12m
* Detection range for wide-angle lens: 12*12m
* Detection range for long-distance lens: 40*3.5m