SYNCHRONIZED active infrared beams, to eliminate
"cheating" the receiver part by a foreign IR transmitter.
* 200 METER effective range.
* Waterproof and all-weather resistant.
* Internal vertical and horizontal adjustable.
* Precise alignment by a built-in scale or externally by
connecting a voltmeter. Click for animated demo --->
* Adjustable beam interruption time.
* Changeover alarm contacts (N.C. / N.O.).
* Excellent lighting immunity.
* Easy Pole/Wall mount.