* Double-channel signal with A/D conversion processing

* Complete airproof and weatherproof function

* Automatic temperature compensation

* Detective distance: 8m and 12 m optional

* Pulse member: 1P and 2P optional

* Alarm input: NO and NC optional

* Alarm indicator light: ON and OFF optional

* Day and night working mode can be set

* Alarm delay time can be set

* With special filter and the intensity of anti-white light can be up to 10000LUX