With built in self test facility and LED charging indicator this LED replacement for 2x20W halogen twin spots is suitable for use in industrial units workshops warehouses showrooms and more. The high quality polycarbomate housing with polycarbonate heads and prismatic diffusers gives way to 20mm conduit entries on the sides and the back. With key hole surface mounting slots the fitting provides 3 hour emergency discharge duration thorugh its high quality LifFePo4 battery with 3 year warranty