Features:Simple buttonless designCustomized personalized alarm clock You can set 16 alarm groups, and each alarm group can be set for snooze function, which is very simple. 8 ringtones optional. Temperature and humidity display Using the Swiss Sensirion sensor, the temperature measurement accuracy is 0.2 , the humidity measurement accuracy is 2% RH, and the changes of temperature and humidity are detected sensitively . Press to turn on the night light Press the alarm clock, the backlight turns on, you can check the time clearly even at night . Adjust the backlight at any timeThe backlight intensity can be adjusted at different periods, and the backlight duration can also be adjusted . Comfortable Smart Little Housekeeper Cooperate with other Mijia equipment to realize automatic adjustment of indoor temperature and humidity. Specifications: Material:Plastic Color:Blue/Green/White Screen Size:61 x61mm Temperature Range:-9.9~49.9 Humidity Range: Weight :106g Size:80.3 x 41 x 83mm