⏰【Snooze Button】-This alarm clock comes with a snooze button which you can catch an extra sleep time. 5 Minutes later, this digital alarm clock will wake you up again until it was turned off. ⏰【Smart Light Sensor】-This alarm clock has a switch to turn on a back light, so we can read time in dark or in the middle of the night to know the time. And it is absolutely not too bright to bother when sleeping. ⏰【Back-Light Function】-Touch the snooze button at the top of this battery operated alarm clock, the display will light up for 5 seconds. It helps to check the time in dark if its too dim to see. ⏰【2 Display Formats】-Our digital alarm clock has options for 12 or 24 hour display and celsius or fahrenheit switching. Alarm clock adopts LCD screen display and low power consumption. ⏰【Battery Powered】-Since it is battery powered you can put it wherever you need it. This product adopts LCD display screen with low current. It is recommended to use 3*AAA carbon battery instead of alkaline battery.