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 ¡À15%Input Frequency: 50/60HzInput surge: Cold start 25A@115V AC 50A@230V ACOutput voltage: DC 12VOutput voltage adjustment range: ¡À10%Output current: 10ACurrent? Range: 0¡«10AOutput? power: 120WWorking temperature: -40~65 degree CelsiusStorage Temperature: -20¡ãC - +60¡ãCHumidity: 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