100W LED Power Supply Transformer~3072 100% full load burn-in test Universal AC 110V-230V input / full range It?s good quality & high performance Input: AC110-265V 50/60Hz Out put: DC12V Power:40W Size: Height: 43mm, Width: 99mm, Length: 160mm Technical information: Input Voltage: AC 110V/230V  Output Voltage: DC 12V constant Voltage  Watts: 100w  Amps: 8.3A  IP rating: IP 20 Applications: This DC12V IP20 LED Transformer / Driver is used to power low voltage (12v) LED bulbs, strip lighting, CCTV camera, 3D printers and many other devices that require DC12V constant voltage power supply. LED bulbs require a constant voltage to work properly. Sometimes a normal 12v transformer will work correctly with LED bulbs, but in some cases, the lifespan of the bulb will be reduced.