• The outdoor unit is compatible with high temperature cooling up to 104°F (48°C) and low temperature temperatures up to -5°F (-15°C). It works stable even in extreme temperatures, allowing for comfortable temperature control throughout the seasons • Professional noise reduction technology greatly reduces indoor and outdoor unit operating noise. Create a quiet and peaceful ride that will not disturb your surroundings day or night • It supports 4-way automatic air flow, up and down, allowing air to flow through every corner of the room, allowing you to quickly and evenly adjust the temperature of the entire house, eliminating uneven heating and cooling in certain areas • The heat exchanger has a special waterproof coating that uses concentrated water to wash away dust and impurities from the body, inhibits bacterial growth and keeps the air outlet cleaner for longer and healthier breathing • During time zones of peak power demands can be switched to 50% low power operation to avoid power outages. Also, if an unexpected power outage occurs, you can rest assured that it will automatically restart once the power restores