This LED bulkhead lamp has an output of 1030 lumen and is 98.5mm in size. It can be ceiling or wall mounted and has advanced microwave presence detection for internal use. It is simple to install for internal use. Suitable for stairwells, corridors, toilet facilities, changing rooms, schools, offices and factories. This enables you to reduce your energy usage both through the low consuming LED bulb and because when it is motion sensored. /b Advanced low energy bulkhead LED light with microwave motion detection Presence and absence detection will turn the LED lamp automatically on and off, saving energy Suitable for commercial and domestic use in stairwells, corridors, living areas and bathrooms etc.