The Daikin 19 Series wall-mounted system provides you With energy efficiency and comfort control. Because it mounts onto the wall, it's an ideal fit for rooms where floor space is at a premium. It comes With smart features that make operating the Unit easy, such as compatibility With the Comfort Control App that lets you control the Unit from your cell phone. The Auto-Restart feature saves the Unit's settings and will restore the settings if the power goes out while the Unit is running. The outdoor Unit also features an anti-corrosion treatment and automatic defrosting, so it delivers optimum Heating performance.