12 x LED Green Value LED 25003V-12W 921 Base Tower LED Replacement Bulb 250 LUM 8-30v Warm White 12 x Bright 250 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: 8-30 Volt DC 30,000 hours life expectancy. Lasts much longer than a standard Lighting.