Features:Switch power supply, convert 100V240V to DC 12V.Wide input voltage range, steady and precise output voltage.Shortage protection, overload protection(105%150%), over voltage protection(115%135%).Widely used as the power adapter for Led strip, LED display, , industrial equipment, etc. IN-DOOR USE ONLY Specifications:Material: Metal case / aluminum baseInput voltage: AC 100V240V (5060Hz)Input surge: Cold start Less than 40A@230V ACOutput voltage: DC 12VOutput voltage adjustment range: +3%, -2%Output current: 3AOutput power: 36WWorking temperature: -40~65 degree CelsiusHumidity: 20%~90%RH Non-CondensationItem size: 8.5 x 5.8 x 3.8cm / 3.3 x 2.3 x 1.5inItem weight: 250g / 8.8ozPackage List: 2 x Voltage TransformerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.