This power inverter lets you run power tools, small appliances and electronics during a camping trip, roadside stop or power outage by using your vehicle’s battery. This power inverter features a high surge capacity for products that require power up to 3000 watts to start and an LED readout to monitor amps and voltage. High surge capacity for products that require power up to 3000 watts to start Continuous power up to 1500 watts Protection from low/high voltage, high temperatures, high currents Modified sine wave for up to 87.5% efficiency 2 120V AC outlets Two 2.1 amp USB ports – compatible with all smartphones and tablets Short circuit and overload protection LED indicator light Not for marine use. Use only with 12V deep cycle lead-acid batteries rated for marine/RV use. To preserve battery lifedo not discharge battery below 50% charged state. To maintain 50% charged state start the vehicle’s engine every 30 to 60 minutes and let it run for at least 10 minutes to recharge battery.