* 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: 28*6m