... Indicator Lamp: Work: Green LED Failure: Red LED and alarmLED Display: Voltage, Current, Power(optional) Material:AluminumColor:Red, blue, silverOrder:Accept ... .9.Principle of heat: Using temperature sensors control cool fan to thermal dissipation.10.Color: red, blue, sliver, black.11. ... : T/T(30% advance), L/C at sight, alipay.How to choose a good inverter?1. Select and use metal casings.2. The ...