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Infrared Four Beam Sensor
Item# LK-250HQ
Detection distance: outdoor 250m (820ft)
The detectors are designed to activate as an alarm relay upon the detection of intruder through four pulsed infrared beams.
Up to 8 sets for multiple installation as there are selectable frequency adjustment.
Yellow target color to be seen easily from far distance, helps for alignment. And with 10 degree LED alignment indicator, alignment can be done without using voltmeter.
Metal mounting bracket and mounting hook are enclosed.
See details at www.garrison.com.tw
Specification:
http://www.securitygarrison.com/