Input: 90-265V AC 47/63HZ Wattage: 300W Working Temperature: -10 to +60, 20%-90%RH Dimensions: 9.3*2.9*1.8inch Waterproof: IP67 Input Efficiency: 90% Weight: 2.8 pounds Warnings: Don't open or modify the led power supply. Please leave children, kids far away from high voltage power source. Please use it under professional electrician's guides. Package list: One Piece Waterproof Power Supply