Easy to install and suitable for flush mounting through suspended or plasterboard ceilingsLoading: Up to 6 amps, (1500 Watt) of any type of load, including resistant, fluorescent or inductive lighting loads or up to 1 amp, (250 Watt) of fansIncludes a passive infra-red quad person detector which detects the movement of a warm body moving within 360° detection zone, (5 metre diameter)Adjustable time lag function before switch off from 10 seconds to 40 minutesSeveral PIR switches can be wired in parallel. Switches should be spaced every 5m in either directionPhotocell Range: 100 to 1000 lux, and inactiveDimensions: 72 diameter x 68mm depth