... 3.Warranty:24 months wall mount 220v 120vac to 24v 12vdc power supply : Input Voltage100~240VOutput Voltage5~24VOutput Current3A maxPower24W ... burn-in: to make sure every unit with high temperature resistance, with power ,no bomb unit, no high voltage, no low voltage, no bad ... Finished products full inspection: to make sure every unit with power, no high voltage, no low voltage, no bad led indicator, ...