Gold Stars 92111804 Natural White Replacement LED Bulb (921 Base 150 LUM 12 or 24v) Bright 150 Lumens, 921 base bulb Built with the finest LED lighting technology and materials. Applications include 12 or 24 Volt DC auto, marine, RV and military vehicles. RV power fluctuations can damage a regular LED light. This LED is designed to withstand a wide operating voltage range. Wide Voltage Range: 12-30 Volt DC 60,000 hours life expectancy. Lasts much longer than a standard Lighting.