Countdown, this function is only available on loaded models. The personalized countdown timer is a good aid in learning time management. The setting range is 1-99 minutes. Schedule the time and set a time to turn off the lights. Scan the QR code to set the alarm clock and automatically sync the mobile phone time after connection. You can set the alarm, ringtone and volume. Three independent alarm clocks. The alarm volume can be adjusted. The alarm clock can be There are 6 ringtones to choose from, and the settings will continue to take effect. Temperature display, indoor temperature display, adding or removing clothes to prevent colds. You can see it when you wake up at night. It's an alarm clock or a night light. Short press to turn on the light (long press to adjust brightness). Backlight, night light, nap when scanning code. Package contains: alarm clock*1