... LED Failure: Red LED and alarmLED Display: Voltage, Current, Power(optional) Material:AluminumColor:Red, blue, silverOrder:Accept small orderUsage ... Under/over voltage protective, reverse protection, over load protection power, over temperature, main automatic switching function (optional).7.Work ... warranty for our products. Please feel assured.12.Payment: T/T(30% advance), L/C at sight, alipay.How to ...