The brightness of LED display will be 50% darker from 19:00 P.M. to 6:00 A.M, it will not disturb your sleeping, which will save energy and protect your eyes. You can set 3 sets of alarm time to wake you up every day. You can get more minutes of lazy bed time, and the alarm clock will remind you again. Large 3.1in LED display, mirror surface, clear and easy to read. It is not only a clock, but also a fashionable art decoration, perfect for places, such as, bedroom, living room, kitchen, car, office and so on. Good quality plastic, anti aging, practical material for long time use. With USB ports, comes with charging cable, you could charge your digital clock anytime and anywhere. Specifications: Item name: Digital Alarm Clock Materials: Plastic Size: 7.2*4*1.8cm Color: White/ green/ blue/red What You Get: 1 x Alarm Clock