18 watt Class 2 DC LED driver. Output current 350mA - LED Driver, with constant current. Input voltage 120-277V, 50-60Hz. Output voltage ranges from 4V to 52V. Aluminum casing, potted, with leads. 50,000 hours of life. Over temperature and input voltage surge protection. FCC Class B rated. 6.02 inch length x 1.57 inch width x 1.2 inch height.