Power Inverter 300W Dual 110V AC Outlets - Dual USB Ports 3A Car DC 12V to 110V AC Inverter DC Adapter Laptop &iexcl;&cent;Smartphones and Tablets Charger by Frayagresa (Black 300W) Converts DC power stored in 12-Volt batteries on car, vessel or other DC power sources into the AC electrical power. Comes with battery clamps and car cigarette adapter. Dual 110-Volt household electrical outlets provide 300-Watts of continuous power This inverter is only for DC 12V car use, can NOT be applied to DC 24V. Input voltage: DC12V, Output voltage: AC110V-120V.