IP44 Polycarbonate LED Bulkhead. 3 Hour maintained emergency back-up option (AU-BH103EM) and microwave sensor option ( AU-BH103MS) available. 5m detection range on microwave sensor. 30 degrees - 150 degrees detection angle on microwave sensor. 400W maximum load on microwave sensor. Microwave sensor uses 0.6W in standby mode, 1.2W in operation. Detection area on microwave sensor can be adjusted from 10%-100%. Hold time on microwave sensor can be adjusted from 5 seconds - 25 minutes. Daylight threshold on microwave sensor can be adjusted from 2 lux - 500 lux. Not affected by frequent switching e.g. when used with occupancy controls. Tough polycarbonate body for vandal resistance. Opal diffuser. Supplied with white and polished chrome trims. Wall or ceiling mounting. 20mm.