Green LongLife LED replacement lights are built with the finest LED lighting technology and materials. This light features: T5 base; 12 volt DC voltage; 300 Lumens; Natural white color; 3.4 power watts; 60 High Power 3528 SMD LEDs; beam pattern of 120 degrees; and color temperature of 4000-4500K. Each LED light has a life expectancy of 100,000 hours much longer than a standard tube which saves money and time. This product does not contain mercury or emit ultraviolet (UV) light. There are no moving parts or filaments which allow it to withstand shaking and vibration. It is made with high quality SMD's (surface-mounted device) on aluminum base.