"This power supply converts alternating current into direct current, widely used in the power adapter, LED light strip, LED display, display panels, industrial equipment, etc. features: Power switch, convert 110V / 220V alternating current to 12V direct current. The voltage will go from 110V to 220V if the voltage is higher than 110V. Constant and precise output voltage. Short circuit protection, overload protection (105% 150%), overvoltage protection (115% 135%). Widely used as an AC adapter for LED strips, LED screens, display panels, industrial equipment, etc. IN-DOOR USE ONLY! Characteristics: Material: metal case Input voltage: AC110 / 220V ± 15% Input frequency: 50 / 60Hz Input overvoltage: cold start 25A at 115V AC 50A at 230V AC Output voltage: DC 12V Output voltage adjustment range: ± 10% Output current: 10A Current range: 0 10A Output power: 120W Working temperature: -40 ~ 65 degrees Celsius Storage temperature: -20 ° C to + 60 ° C Humidity: 20% ~ 90% RH non-condensing Item size: 13.0 * 9.8 * 4.1cm / 5.1 * 3.9 * 1.6in Item weight: 325g / 0.72lb Package size: 14.2 * 10.7 * 4.6cm / 5.6 * 4.2 * 1.8in Package weight: 351g / 0.77lb Package list: 1 * voltage transformer "