DC 5V USB output 3000W DC 12V to AC 220V Low standby power cost Multiple safe protection High coversion effeciency(>70%) Universal output socket Intelligent cooling fan controlled by the workload This power inverter is extraordinarily designed for home use,which can convert DC 12V/24V of portable power supply to AC 110V/220V/230V and it works for almost all the household electrical resistive appliances such as MP3/MP4 player,cell phone, laptop, emergency light, electric blanket, electric shaver, electric cooker,digital camera, digital video,CD/DVD