X-Shade 1300W 12V DC to 110V AC Power Inverter with 110V Outlet, USB Port, Battery Cables, Clips Auto Adapter and Built-in Fan 1300 Watt Power Inverter converts 12V DC to 110V AC with required battery clamps for heavy usage USB port (DC 5.0V/5A Max) lets you charge multiple additional devices from a single DV charge Comes with a fully-grounded AC outlet that prevent shortages and powerful fan to generate power Audio alarm warns when low battery level's low, which allows notification prior to auto-shutdown. No mounting required. Highly portable and easy to install and simply to plugged in WARNING: NOT RECOMMENDED for HEATERS or AIRCONDITIONING devices and POWER TOOLS WITH MOVING PARTS such as electrical saw, grinders, pumps, grills etc. Best for charging laptops, tablets, phones, radio, flashlights, and other small gadgets