Fantastic little kits to upgrade your car/caravan/boat's interior lighting with LED technology. Each kit consists of an array of LEDs on a board with 3M adhesive foam backing, making it easy to retrofit into almost any existing light. There are 3 bases which can connect to T10, 211, or BA9S sockets. The base is then connected to the SMD LED array, couldn't be easier! The LEDs will give greater lifespan and brighter light in many cases. Universal T10/211/BA9S LED Retrofit Kit with 36 x SMD LEDs Power: 4.5W, 12VDC Lumens: 450 LED type: 2835 SMD LED count: 36 LED colour: Cool white Dimensions: 60(L) x 40(W)mm ZD-0589 Light Rating Lumens : 450lm LED Connection : T10/211/BA9S LED Type : 2835 LED Quantity : 36pc LED Size : 3.5mm LED Lifespan : 20000hr Length : 60mm Width : 40mm Packaged Volume : 0.14l Packaged Weight : 0.01kg Packaged Length : 11.9cm Packaged Width : 7.9cm Packaged Height : 1.5cm