Electricity and Freon: 220V-1Ph-50/60Hz- R32 (Environmentally Friendly). System: Hot and Cold. Indoor and outdoor unit fins are coated with an anti-corrosion material. Wireless remote control. Moisture resistant. Ability to connect with control systems. The indoor unit is equipped with an opening for fresh air intake. Maintaining room temperature stability. Fire-resistant electrical box. Wi-Fi control systems.