Features: With high- electrical appliances, Modified sine wave full without imaginary lines, 220V output range. USB output, 5V 2.1A supports a variety of digital products.Intelligent silent fan, strong heat dissipation to reduce internal temperature. Nine Protection Functions: Short Circuit Protection, Over Current Protection, Over Voltage Protection, Low Voltage Protection, Overload Protection, Overheat Protection, Reverse Connection Protection, Electric Shock Protection, Detection Protection Equipped with pure copper wire core cord, clip wire + lighter wire, thick pure copper wire core, low consumption, stable transmission. Specification: Colour: Black Material: aluminum alloy Peak power: 500W Rated power: 300W Input voltage: 12V Output voltage: 220VAC/50Hz + 3Hz USB output: 5VDC/2.1A No load current: Less than 0.6A Conversion efficiency: greater than 90% Protection function: over temperature, low voltage, high voltage, overload, short circuit, less than 350W appliances (except for the inductive load electrical and motor products) Package Contents: 1 x Car Inverter 2 x Clip Wire 1 x Car charger Wire 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.