1、Sensing temperature and humidity changes, supports alarm / snooze function and knob adjustment, adjust hour and minute by rotating button, more convenient.2、With mobile phone charging function, USB1A power output charging port, in the case of external power supply, there is a charging port on the side to charge the mobile phone.3、The digital display of the alarm clock is clearer, smaller and powerful. With backlight, which can be adapted to use in different environments and light sources.4、No light control function when using external power supply, the backlight can be adjusted in three steps through the upper button: High-Half-Low-Off.5、Intelligent light control induction, when using battery power (battery not included), it will automatically turn on the backlight according to the weak ambient light. If the ambient light is weak, the backlight will be turned on, otherwise it will not be turned on, which is convenient for watching at night without affecting sleep.