This Channel Safety Emergency Bulkhead is complete with 10 LED array and a hinged gear tray allows for easy installation. The unit boasts an aesthetically pleasing design and is virtually maintenance free offering a Self Test option that will alert you if it detects any problems with the light. The biggest success, as with the majority of our LED products, is that it operates on 20% of the power that a standard 8W fluorescent would consume. Specifications Cut out dimensions: 230mm (L) 85mm (W) Light source: LED Uses typically 80% less power than that of an 8W fluorescent Maintained or non-maintained 3 hour emergency backup Compliance: BS EN 60598-2-22 and other relevant standards