With die cast aluminium housing providing optimal heat dissipation and high resistance to weather conditions utilsing a polycarbonate opal diffuser this Robus fitting has a high impact rating of IK06. It is suitable for use in indoor and outdoor parking areas tunnels walkways building entrances loading bays fire assembly points it is a perfect LED replacement for 50W Metal Halide/ 200W Halogen lights. Complete with stainless steel screws and prewired with 1.5m of rubber flex this fitting has a high efficacy of 104lm/W. The wide operating ambient temperature ranges between -25 to 40 degrees and is complete with photocell switching on at 20lx and off at 60lx. 3 hour emergency version available through Conversions