Electricity and Freon: 220V-1Ph-50/60Hz- R32. System: Hot and Cold. Fast response to unstable voltage for reliable operation. Additional opening for return air from below to improve ventilation. Fresh air intake for a healthy environment. Appropriate and ideal size for easy installation and maintenance. Energy-saving consumption to reduce operating costs. Equipped with a water pump for easy water drainage. Ideal air distribution in multiple directions for comprehensive coverage. High-quality, washable air purification filter. High operating efficiency for reliable and durable performance. Multi-speed fan to meet various cooling and heating needs. Easy disassembly and assembly design to save time and effort.