The die cast aluminium housing with polycarbonate lens provides a high impact rating of IK09 for this Robus fitting. It is prewired with 1m of flex with SWIFT connector with very high efficacy of up to 170lm/W. The wide operating temperature ranges between -25 degrees to 45 degrees operting at 1-10V dimmable as standard. Suitable for switching by PIR Microwave or Photocell. Perfect for use in warehouses manufacturing plants garages workshops aircraft hangars retail superstores gymnasium sports halls its unique design allows power selection of 100W 120W 150W and 200W a perfect LED replacement for 200-400W metal halide highbay fittings.