If you have any problems， pls message us， we will here for u anytime.Features:100% new and high quality.The Switching Power Supply LED Drivers convert 100V-240V 50~60 Hz AC power to the 12V/24V DC power required by the LEDs and protects them from line-voltage fluctuations.Short circuit and overload protection.Specifications: Body Color: WhiteSize: 77*45*25mmInput: AC100-240V 50/60Hz 0.2A Output: DC 12V 1A 12W Max.Package Includes: 1 * LED Driver TransformerEnjoy shopping and enjoy life