AC input voltage: 110V / 220V ± 15% (optional by switch) DC output: 12V / 20A; 24V / 15A Net weight: 760 grams Shell material: metal case / aluminum case High profitability, reliability with industry standards Integrated protection against overvoltages, overcurrents and short circuits Operating temperature: 0 ~ 40C Storage temperature: -20 ~ 60C Ambient humidity: 0 ~ 95% non-condensing