DollaTek 110V 230V AC To DC 12V 240W 20A Universal Voltage Enclosed Switch Mode Power Supply For CCTV Camera/Security System/LED Strip Light/Radio/Computer ProjectSpecification:Input voltage: AC 110V 230V (global universal input voltage)Output voltage and current:DC 12V 20AOutput Power : 240WDC voltage adjustable range: ± 10%Ripple: Ripple interference is less than 1% of output voltageStart, rise hold time: 200ms, 30ms, 36ms / 230VACPower efficiency: ≥89%Working temperature: -20 ℃ ~ + 60 ℃Storage temperature: -40 ℃ ~ + 85 ℃Working humidity: 10% ~ 90% RHPower supply size: 200*110*50mmFeatures:Overload protection: 105% ~ 150% of rated output power starts overload protectionProtection mode: hiccup mode, which can be automatically recovered after the abnormal load condition is removedCut off the output, and the normal output can be automatically restored after the power is restartedOver temperature protection: rectifier tube temperature ≥85 ℃ ± 5% start over temperature protectionProtection method: cut off the output, when the temperature returns to normal, it can automatically recoverPackage Included:1 x DollaTek Universal Voltage Enclosed Switch Mode Power Supply