BAC-15 Central Air Conditioner Smart thermostat FEATURES On Appearance 1. LED display, more friendly interface;. LED matrix light, simple display, energy saving, protect your eyes. 2. Touch buttons to make simple operation. 3. The ultra-thin embedded panel perfectly fits all kinds of walls; The visiable thickenss above the wall is only 12.4mm. 4. Frameless acrylic panel design, simple and elegant; 5. Classic black/white color scheme, seamlessly integrated. 6.Compatible with standard 86mm square cassettes and 60mm European cassettes to meet all installation environments; 7. Interlock to connect gives you easy installation. On Functionality 1. Strict temperature control accuracy (± 1C) to provide the warmth you want; 2. Power off protection, save all your settings safely; 3. Preset adjustment of 5+1+1 mode in a week, programmable setting of 6 time periods a day, green energy saving, Less cost, more intelligent and environmental protection;