Description: Easy to connect to your vehicle battery (through cigar cable or alligator clip cable), converting 12V DC vehicle power to AC 220V-240V household power. With AC 220V outlet and USB port, apply in household appliances and many other electronics up to 300 watts, like laptops, cell phones, amplifier, freezer, etc. Efficiency up to 90.5%, super surge capacity to start difficult load. Built-in protections from short circuit, overload, overheat, low voltage and over voltage. Built-in cooling fan for span life and safety use. Smart size, light and compatible, lower noise and no pollution. Specification: Material?ABC Material Size? 18.5 x 12.5 x 5.5 cm / 7.28 x 4.92 x 2.16 inch Model:P400C Continuous output power:400W Input voltage:12V Input rated voltage:12.8V-13.2V Working voltage:11V-15V Output voltage:220V-240V Output frenquency:50Hz/55Hz/60Hz USB Output(optional):5V,0.5A/1A/2.1A Output waveform: Modified Sine Wave Package Includes: 1 Piece Car Power Inverter P400C 1 Piece Universal USB Cable 1 Piece Positive and Negative Pole Clip 1 Piece Car Cigar Lighter Cable 2 Pieces Part Tools 1 Piece User Manual Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor