HR 28W Maintained Circular Amenity Weatherproof Luminaire (3 Hours) The HR Light is an architectural luminaire suitable for prestigious exterior applications. Manufactured from a die cast aluminium base and grill with an injection moulded polycarbonate opal diffuser. The diffuser is held in place by captive screws with a silicone rubber gasket to provide the seal. Complying with the requirements of EN60598-2-22 and suitable for incorporation into an emergency lighting system complying with BS5266-12005. The HR Light offers an effective solution to combine emergency lighting and mains lighting. Key Features IP65 Die Cast Aluminium Base Grill Opal Polycarbonate Diffuser 28w/38w 2d Lamp 2 x 18w PLC 26w PLC Self-Contained High Frequency Microwave presence detectors are designed to reduce the amount of time lighting is left on unnecessarily, for example if an area is unoccupied or if there is sufficient natural light. A presence detector monitors the detection zone for occupancy if a person is sensed then the detector will automatically turn the lighting on. When the area is vacated, the lighting will turn off after a pre-set time delay.