HOTSYSTEM 2x Car Auto Neon Interior Kit Lights CCFL Cold Cathode Fluorescent Light Cold Cathode Fluorescent (CCFL) For cars, motorcycles or computer cases of 12 Volts Color and in-kind may be a little difference due to camera lighting problems This lamp can be used to decorate the atmosphere of home appliances such as refrigerators, computers If you want to use with computer, buy a adapter which can change 220V/110V to 12V