This inverter split air conditioner is a cost-effective choice for cooling and heating. The inverter technology enables a more stable power consumption as time goes on compared to non-inverter technology. And this split AC unit features 4 operating modes (cool, dry, heat, fan) and other functions to meet your various needs, such as sleep mode, turbo mode, 24H timer, screen off function, child lock, self-cleaning and more. The self-cleaning process is as follows: condensation, frosting, melting, sterilization, washing and ventilation. And the control is handy with included remote control. The package comes with the installation kit and detailed instruction. Filled with the new R32 refrigerant, the most eco-friendly choice that ensures the best air quality both indoors and outdoors. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R32 availability at your local seller.