GSM security alarm system 4 Beams 100m active infrared

Photoelectric beam  sensor

 * Digital 2, 4, 6, 8,10, 12  Strip Barrier
* 4 Channel Selectable Frequencies
* Bi-directional TX and RX for avoiding light interference
(Including Fluorecent light,sun light)
* 1x Mater Detector (Alarm Output) and 1x Slave Detector
* Alarm by block of adjacent 2 beams
* LED Indicator and Buzzer Warning
* Aluminum Alloy Case
* Electrostatic Protection over 10K Volts
* 1 beam / 2 adjacent beams block for alarm triggering

* Fog, Rain and Snow Prevention
* Insect and Dust Protection
* 360° Alignment Angle
* 99.5% Beam Blocking Stability
* Wide Voltage Power Input: 10-24V DC
* N.C. / N.O. Alarm Ouput
* IP55
*  Intelligent Heating System (-15, -10, -5, 0, 5, 10, 15, 20°c Automatic Startup)
    Tailor-made Termprature Value Setting According to Your Demands