300W Pure Sine Wave AC Power Bank?

1. black color, high-end design 2. with led indicator light, showing capacity left 3. 4 usb output, can charge more digital products at the same time 4. AC 120V or AC 230V output 5. Pure shine wave power inverter For more household electrical appliance: Laptop & computer & phone & router & printer & projector & fan & humidifier & television & radio etc all can be charging by USB Port. or AC output (AC 100V-240V / 50Hz-60Hz).