Scene / On-the-Spot Alarm Barrier Series 
(built-in loud speaker)
Outdoor range 50m/100m/150m/250m/,  2/3/4/6/8/10/12 beams optional
Detecting distance (outdoor): 50m-250m
(indoor): 100m-500m
Height: 35cm-197cm optional
Current(Master mitter or called transmitter): 50 mA-140 mA.
Current(Slave mitter or called receiver): 40 mA-110 mA.
Operating voltage: DC12~18V
Response speed: ≤ 40m/s
Trigger time: ≥ 1.5s(N. O. )
Relay capability: 3A 120VAC/24VDC
Alarm output: Wired (N. C. /N. O. )
Temperature: Negative (minus) 25 centidegree, 55 Celsius degree
Relative humidity: ≤ 95%