Suitable for use in warehouses, manufacturing plants, garages, workshops & aircraft hangars, retail superstores, gymnasiums & sports halls LED replacement for 400W metal halide highbay fittings Die cast aluminium housing with Polycarbonate front providing a high impact rating of IK09 Prewired with 1m flex and SWIFT connector Surface mounting bracket and wire guard available Very high efficacy of 143lm/W Wide operating temperature range of -25°C to 45°C Dimmable with most of the 1-10V systems Suitable for switching by PIR, Microwave or Photocell