Features:
* Adopt advanced and stable circuit design, low in false alarm and missing alarm.
* Remarkable interference prevention: Up to 30v/m from 30 to 1000 Hz
* Standout Fresnel lens, excellent ability to human infrared ray.
* Automatic alternation of pulse account.
* Dual-structure temperature compensation technology to solve the problem of normal temperature interference completely.
* ESD, anti electric shock and mobile interference.
* Low current consumption (<10mA stand by, 17mA alarm).
* Selectable pulse account. (1, 2 or 3)
* Detection range: 7m*7m.