Click image to view full size image
Quad Beam Sensor
Item# LK-60HQ
Detection range: outdoor 60m (200ft)
Easy alignment with LED indicator, it makes 10 level grades to ensure the best alignment.
Selectable 8 channels frequencies to eliminate crosstalk. So can be stackable. Up to 8 sets for multiple installation.
With Tamper Switch, once the power is off by cutting the cable, it will trigger the alarm system.
Wall mount and pole mount both available.
See details at www.garrison.com.tw
Specification:
http://www.securitygarrison.com/