Temperature Display + /F MODE --- Digital clock built-in thermometer function, which can monitor the indoor temperature, protect the health of you and your family. /F 2 kinds of display modes, one key switch.Two Alarm Modes: Set the alarm only work on workday (Mon-Fri) or each day (Mon-Sun). According to your habit to select the better mode. Gradually increasing ringing of alarm clock, better for both light sleepers and heavy sleepers.Alarm clock bedroom Improved version clocks extend battery life, without thinking about power and USB cables (ATTENTION: 3*AAA 1.5V batteries are necessary, NOT provided.Easy Operation: The alarm clock are very simple to operate the alarm clock. The small alarm clock can be used by kids, teens, adults and elder people. Place it on desk, in bedroom, in office .etc. Wake you up in the morning and help you to know the time clearly to arrange things in orderSnooze Mode + TOP BUTTON --- The SNOOZE button of the electronic clock is located on the top of the alarm clock, you can easily turn off without opening your eyes, allowing you to get 5 minutes of lazy bed time.