Antares GLX Galaxy High Performance Ultra Slim Dimmable LED Strip Fixture 13 Watt 21" 4000K 120V AC Extremely bright LED that matches the output of a T5 High Output fluorescent fixture and consumes 35% less energy than it's T5 counterpart. Fully dimmable from 0 - 100% via triac dimmer Swivel lamp 50 degrees from center to left or right Linkable for continuous lighting (400W or 80' ft) 50,000 hours of maintenance free and includes 3 years of warranty