Realm RPI-X120 Inverter Car DC 12V to 110V AC Inverter, DC/AC Adapter Laptop Notebook USB Charger, 120W USB port compatible with iPad and other tablets Built-in fan keeps the temperature low Smart size, light and compatible, no noisy and no pollution, no maintenance Short circuit overload, overheat, low battery voltage, full protection features and auto-shutdown keep your appliance and car from damage