This witch power supply convert AC to DC， widely used in the power adapter， Led lights strip， LED display， billboard， industrial equipment， etc.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.Short circuit 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 caseInput voltage: AC110/220V ±15%Input Frequency: 50/60HzInput surge: Cold start 25A@115V AC 50A@230V ACOutput voltage: DC 12VOutput voltage adjustment range: ±10%Output current: 10ACurrent? Range: 0～10AOutput? power: 120WWorking temperature: -40~65 degree CelsiusStorage Temperature: -20°C - +60°CHumidity: 20%~90%RH? Non-CondensationItem size: 13.0 * 9.8 * 4.1cm / 5.1 * 3.9 * 1.6inItem weight: 325g / 0.72lbPackage size: 14.2 * 10.7 * 4.6cm / 5.6 * 4.2 * 1.8inPackage weight: 351g / 0.77lb?Package List:1 * Voltage Transformer