Compact Alarm Clock] Dimensions 57 x 31 x 57 cm and 42 gramsThis travel alarm clock is so small you can easily hold it in your handThe square clock does not take up any extra spaceYou only need a little space in your backpack to carry itEasy settingOn the back there are only two setting wheels, time and alarm, which is a convenient classic designTurn the wheel to adjust the time and alarm, and the light button is located on the front of the alarmUNIQUE ALARM SWITCH DESIGNThe alarm on/off switch is located on the top of the small analog clock, easy to reachLift to open, press to closeIt's easy to tell if the alarm is on or off[Complete Silent] This small clock runs on 1 AA battery (not included)Since the clock has a silent quartz movement, there are no disturbing ticksThis alarm clock allows you to have a peaceful sleeping environment