Leisure LED replacement lights are built with the environment-friendly technology and materials. This Leisure LED features: T8 base, 18” LED Tube; 8-30 volts DC including 12v--this wide-range voltage is designed to withstand RV power fluctuations that can damage ordinary LED lights; 600 Lumens; Cool White color; 9.6 power watts; 90 High Power 3014 SMD LEDs; beam pattern of 360 degrees; and color temperature of 4000-4500K. Each Leisure LED bulb has a life expectancy of 60,000 hours--many times longer than a standard bulb--which saves money and time, especially in those hard-to-reach places. This product does not contain mercury or emit ultraviolet (UV) light. There are no moving parts or filaments so it can withstand shaking and vibration. It’s made with high quality SMDs (surface-mounted device) on aluminum base and weighs approximately 5 ounces. Fixture Rewiring is Easy but required: Electronic ballast has to be disconnected by qualified electrician. Prior to purchase please review the connection requirements and insure they are compatible for your use.