This is a Osram 13w LED Circular Surface Mounted Luminaire in a 4000k (Cool White) colour and comes with a built-in microwave sensor. This fitting is a direct replacement for a standard compact fluorescent that is using 2x13w or can also be used to replace 2D fluorescent bulkheads. Constructed with a white steel housing giving the fitting a IP44 rating and a IK03 impact rating, these fittings are more commonly used in areas such as corridors, bathrooms and foyers. High frequency sensor equipped within the fitting works with daylight and motion detection. Boasting a lumen output of 920 lumens and has a lifetime average of 30,000 hours with energy savings up to 55% in comparison to CFL fittings. Dimensions: 250mm (D) x 91mm (H) Osram Part Number: 4058075110182 Comes complete with a 3 year warranty.