6 x Bright 250 Lumens, 921 base bulb Built with the finest LED lighting technology and materials. Applications include 12 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: 10-24 Volt DC 30,000 hours life expectancy. Lasts much longer than a standard Lighting. Green Value LED replacement bulbs are built with the finest LED lighting technology and materials. This Green Value LED bulb has a 921 base; 250 LUM; wide voltage range of 10-24v; Applications include 12 Volt DC in auto, marine, RV, and military vehicles; 27 high power 5050 SMD LEDs; 3.24 Power Watts; Beam pattern is 360 degrees; 3000-3500K Warm White. Each Green Value LED bulb has a life expectancy of 30,000 hours, many times longer than the standard bulb - saves time and money, especially in those hard-to-reach places. There are no moving parts or filaments, so it can withstand shaking and vibration. It's made with high-quality SMDs (Surface-mount devices) and weighs approximately 1 ounce.