A high quality, robust bulkhead luminaire suitable for high ceilings. The body of the fitting is IP65 weatherproof rated as standard. High quality U.V. stabilised white base moulding and an opal diffuser which is specifically designed to maximise the light output ratio (LOR) from the LED light source. The output, after the diffuser, is 1163 delivered lumen in mains operation and 358 delivered lumen in emergency operation. The product can be supplied with a kit of self-adhesive legends to convert the luminaire into an IP65 exit sign. All our batteries feature temperature monitoring. In keeping with the latest update to BS EN 61347-2-7 Their associated modules will stop charging the cells if their case temperature falls below 0°C or rises above 55°C. The emergency packs will continue to operate where required, providing their is enough capacity remaining in the battery. Our lithium iron phosphate cells feature a low self-discharge of 5% per month. The OLP/1 can operate with the LiteMesh Wireless Self-test system.