Legion Solar app is compatible with Solar Regulator V1.0 or later hardware. Connection is established via Bluetooth LE. Legion Solar app features include: 1) Inverter / Battery Commander Setup 2) Electrical system calibration 3) Energy production and consumption 4) Energy production graphs for day-month-year 5) System health 6) Security 7) Diagnostics utilities and more… The app can support up to 32 micro-inverters for a total system size ranging from 200W to 9.6kW. For more details visit legionsolar.com