3800W/3500W Gas/Propane Dual Fuel Inverter Generator w/ CO Alert HB5040DC E4880 How does it achieve all

How does it achieve all this

AUTO TAKE-OFF SLIDE TO ACTIVATE FD3 AND TAKE IT OFF

Input Voltage: AC 110-260V

Energy: 3009

Chasing's self-developed battery structure features a 120-minute runtime on a single charge of its waterproof 3500mAh lithium Ion battery pack

3800W/3500W Gas/Propane Dual Fuel Inverter Generator w/ CO Alert HB5040DC E4880 How does it achieve allDual Fuel Runs on 3800W 3500W gasoline or propane for flexible fueling Quiet Operation Inverter tech keeps noise at just 70 dB (23 ft), ideal for neighborhoods campsites. Portable Compact and lightweight at 50. 7 lbs for easy transport. Fuel Efficient Up to 4. 5 hrs runtime at 50% load on a 1. 3 gal tank. Smart Display 5 in 1 panel shows voltage, frequency, hours, fuel level, and output. Enhanced Safety CO alert, overload protection, and low oil