An easy to install 4W V-Tac LED T5 Batten fitting that comes with fitted LED and Samsung chip. These Battens are linkable with the possibility of connecting each batten to the other these fittings are ideal for both small and large indoor environments. 320mm in length these T5 battens will provide 360 lumens of 4000K cool white light over a 30000 hour product life. Batten Dimensions Length 320mm x Width 30mm x Depth 23mm. Please note that the true colour output of lighting products should be based only on the Kelvin rating. The descriptors warm white cool white daylight etc are used only as guides to describe the colour of the light and can vary between brands.