140 continuous watts, 280 peak watts. Built-in 12V accessory port adapter, USB port, and 120V AC outlet. Converts your vehicles 12V DC to 110/120V AC household power. LED lights indicate inverter is connected. Built-in safety features include built-in high speed cooling fan, fused overload protection, low battery voltage shutdown, high temperature shutdown. Compact design for easy portability. Use to charge things like cell phones or plug in a portable DVD player.