1: Output waveform: pure sine wave2: Efficiency: 89%.3: Protection: short circuit, overload, overcurrent, overvoltage and other protections4: Overheating protection: when the temperature of the temperature control point reaches 50℃, the machine stops working and is in the protection state, and the protection light is on.5: Power supply program: IC program 100% full power, with protection functionInput Voltage:DC12VOutput power:350WOutput Voltage:220V AC(USB 5V DC)Operating Temperature:0℃ - +50℃Storage Temperature:-20℃ - +85℃Humidity:10%-95%RHTip:Depending on the batch, the appearance and color of the label may be different, and the designation is not accepted and does not affect the use.Colour:SilverMaterial:MetalSize:123x89x49mmPackage Contents:1 x inverter2 x battery clipOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.