New, open box, complete with manual, brackets and connector covers. Powerful 3000 Watts 12-volt power inverter by Energizer. 6000 Watts peak power, 4 type B outlets and 4 USB. Can easily be connected to a car or truck's 12-volt battery, or a series of batteries in an RV. Red and black cables required (not included). Unit measures 13 1/2 x 5 1/2 x 5 1/4 and weights 3.6 kg.