Description:Non-polar，Error Free designOperating Voltage: DC 12VLed Quantity: 4*Canbus 5050 SMDColor: WhiteDimensions: 31mmOver 50，000 hours life spanWith aluminum heat Fin in the backApply to: door light， reading light， boot light， interior light， map light， dome light etc Package Included:31mm 5050 SMD 4LED led Canbus light bulb