31mm dome LED white bulbs 9 SMD ultra bright for cabin, map, car interior light, 12V 2pc Type: 31mm x 10mm Dome LED Bulb with 9 SMD Bright Light. Bulb color: white. Application: For use on Car, Truck, Trailer, RV, Boat interior light. Voltage: 12v. low power consumption and low temperature. Installation: easy plug and play installation. Package content: 2 white bulbs.