ITEM NAME:AC110V/220V to DC12V 33A 400W Voltage Transformer Switch LED Strips Power S F9G8 AC110V/220V to DC12V 33A 400W Voltage Transformer Switch LED Strips Power S F9G8 Features:Switch power supply, convert AC 110V/220V to DC 12V . Dual input voltage: AC 110V/220V. There is a switch, choose the proper voltage before use. 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, billboard, industrial equipment, etc. IN-DOOR USE ONLY! Specifications: Material: Metal case / aluminum base Input voltage: AC 110V / 220V (47~63Hz) by switch Input surge: Cold start 25A@115V AC 50A@230V AC Output voltage: DC 12V Output voltage adjustment range: +/-10% Output current: 33A Output power: 400W Working temperature: -40~65 degree Celsius Humidity: 20%~90%RH Non-Condensation Item size: 21.5 x 11.5 x 5cm / 8.5 x 5.5 x 2in Item weight: 742g / 1.64lb Package List:1 x Voltage Transformer Note:Light shooting 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 +/- 1-3 cm.