• Dual Fuel: gasoline and LPG • 20kWh capacity with standard LPG tank for worry-free backup power • Save 40% of fuel by connecting to DELTA series and Power Kits • Remotely control and real-time monitor using the app • 4 ways to start • 5 security alerts • Seamlessly integrate your LPG power backup • Designed for easy maintenance, and as quiet as 56dB at a distance of 23ft.