B.E.S.T WIFI Thermostat Features C - Convenient operation creates convenient life. O -Options of black and white housing. M - Manage your home even when you are in any place around the world at any time. F - Fashion design blends in with any décor. O -Zero service fee. R - Remote controlled by mobile APP or computer (WIFI). T- Touch Screen display with backlight is easy to read-even in the dark. A - Accuracy of 0.5 °C keeps your comfortable temperature within the level you set. B - Breath Power button always remind you the world truely exist. L - Lovely price helps you save not only energy. E - Easy UI interface could be used even by child.