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%200%)?∨ 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 (4763Hz) Input surge: Cold 20A@120V AC Output voltage: DC 12V Output voltage adjustment range: 12V??5% Output current: 12.5A Output power: 150W Working temperature: -10~50 degree Celsius Storage temperature: -20~85 degree Celsius Working humidity: 20%~90%RH Non-Condensation Storage humidity: 20%~95%RH Certification: CE - EMC / LVD Item size: 20*9.7*4.2cm / 7.9*3.8*1.7in Item weight: 512g / 1.13lb Package size: 20.8*10.5*4.5cm / 8.2*4.2*1.8in Package weight: 548g / 1.2lb Package includes: 1 * Voltage Transformer"