Switch supply, convert AC 110V/220V to DC12V 15A 180W. Dual input voltage: AC 110V/220V. There is a switch, the proper voltage before . Protection: Shortage Protection, Overload Protection, Over-voltage Protection:115%-135%,Action output cut-off Reset:Auto Reset or fuse. Safety Compliance and RoHS, high efficiency and stable performance. Wide input voltage range, steady and precise output voltage.Great transformer for electronic equipment, Led Lighting, home appliance etc. Product Name: LED Switching Supply : S-180-12 Input: AC110V/220V Output: DC 12V 15A Output : 180W Frequency: 50/60Hz Screw Terminal Number: 7 Fix Screw Hole Diameter: 2.5mm(0.1 inch) Working temperature: -40~65 degree Celsius Temperature: -20C~60C Humidity: 20%~90%RH Non-Condensation Rise Hold Time:200ms 100ms 30ms Material: Metal, Electronic Parts Size:6.25 inch x 3.85 inch x 1.65 inch/159mm*98mm*42mm(L*W*H) Main Color: Silver Tone Net Weight : 569g Connection:L, N: AC input Package Contents:1 x LED Switching Supply Notes: 1. High Voltage inside ,do not remove the cover. Qualified service personnel only. 2. 110V/220V is by switch before on, please check the input voltage avoiding damage. Note:Light and different displays may the color of the item in the a little different from the real thing.The measurement allowed error is +/-1-3 cm.