The Photius integrated LED linear CCT Emergency features CCT technology which allows the colour temperature to be quickly & easily changed between cool white, warm white & daylight. Additionally to its superb performance, Photius Integrated CCT has an ultra-stylish appearance which was specially developed to fit perfectly into modern offices, residential & commercial areas.A special feature of this Photius Integrated CCT Emergency is built-in emergency pack with 3-hour emergency battery & test function. This fantastic light bulb features anodized aluminium construction to produce a decorative, robust, non-corrosive body (IP42) with a polycarbonate diffuser at the same time being extremely efficient, producing 120lm/W. The Photius Integrated CCT Emergency has a slim style & compact design with a height of just 36mm & it is suitable for suspension (FREE up to 1m suspension wires included) or surface mounting. The installation process is simplified thanks to 4-way terminal block.IP42 rated. Indoor lighting use only. Not suitable for dimming.