Super Silent-Non-ticking,recording time by using a silent scan , so it will be very quiet, will not affect your sleep or study.Silent close to a digital clock. Vintage Design -The battery dial clock is a retro style,very beautiful.Vintage alarm clock not only reminds you time at any time, also can be a very good table clock decoration for your nightstand,desk,shelf,suit for bedroom,study room, living room. Simple ang Reliable-The retro alarm clock is very easy to operate,and the alarm last for about 30 mins,long enough to wake you,good for heavy sleepers,won't miss any alarm. Night Light - Different from general hand clock, the non ticking clock has a light for you to read time at dark. you could press the button on the back then the light will on for you to read time at night. Battery Operated -This a desk clocks battery operated,no cable,just need a AA battery(not include) to power,the battery last long.Without cable,you could move travel alarm clock it from here to there.