Pactrade Marine 4 of Boat Blue LED Ceiling Light SS304 Housing Surface Mount 12V 17LM This is a set of four (4) blue LED ceiling light in ss304 housing Diameter: 2-3/4", width: 1/2" , surface mount Material: ss304 housing, LED type: 6 x 0.2W "2835", LED color: LED blue Led lifetime: 50000hrs, color temperature: 2900-3200k, working voltage: 12vdc