Constructed with wallet: Wallet design make it easily fits in the pocket on the back of the front passenger seat or in the glove compartment, also lives right between seat in my center consul so it keeps the wires out of the way of your coffee cups. | All metal construction: Brushed metal finish constructed which is perfect for mobile use. Aluminum casing is the best form factor for an inverter right now.Solid and durable, can stand up to all kinds of severe environment, protect the internal components. | Ultra Compact and Lightweight: iphone-sized design ideal for use on vacations, work trips, and camping. 32 inch long cigarette lighter plug makes the power inverter can be plugged into almost any vehicle.Detachable cable make it easy to store in glovebox. | Patented Isolation Voltage Protection: Equipped with low pressure and high pressure isolation, provides a perfect protection for your device.Built-in fuse and full protection against overheating, under and over voltage charging, short circuiting, overloads, and overcharging. | Smart Dual USB: 4.2A output USB ports with smart IC that can automatically detect your devices to deliver optimal charging speed up to 2.4A per port, 4.2A total, one 110V AC outlets for charging larger devices such as laptops and tablets.