This deck light kit has 10 x 0.5W LED Heads with a cut out of 25mm Cut Out. Each Head Comes with 1.2m of Cable and has a warm white light output. Features Head Diameter 30mm Depth 27mm 25mm Cut Out 10 x 0.5W LED Heads IP20/12V Plug In Transformer Comes With 0.5m Input Cable and 0.5m Extension Cable 5m Input Cable Heads are IP65 Each Head Comes with 1.2m of Cable Warm White.