Item name: Digital Alarm ClockMaterials:PlasticSize: 7.2*4*1.8cmShape : SquareDiameter : 70mmDisplay Type : DIGITALLength : 72mmScreen Type : LEDType : Alarm ClocksIs Smart Device : YESFeature : CalendarsMotivity Type : DigitalMaterial : plasticWidth : 40mmStyle : ModernFunction : Snooze FunctionForm : Single FaceModel Number : Digital Alarm ClockNote : THIS ITEM WITHOUT BATTERYHow to Work : USB AND battery at one timeDescription1 : Digital clockDescription2 : Alarm clockDescription3 : Table clockDescription4 : led clockType : Desk clockFeatures:1.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.2.You can set 3 sets of alarm time to wake you up every day.3.You can get more minutes of lazy bed time, and the alarm clock will remind you again.4.Large 3.1in LED display, mirror surface, clear and easy to read.5.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.6.Good quality plastic, anti aging, practical material for long time use.7.With USB ports , comes with charging cable(Without charging head), you could charge your digital clock anytime and anywhere.Note:There might be little error of size for manual measurement.The colors deviation might differ due to different monitor settings, please kindly understand.Package includes:1 x Digital Alarm Clock1 x charging cable Notes:1. If the screen of the product you received is scratched, please remove the protective film.2. If your screen suddenly goes off, please check if you have set "oN Sd" This mode is a power saving mode, it will automatically go off and automatically light up. Please set back to "-- Sd" mode, this mode will always show on the LED3. If you receive the product and the USB cable and ADAPTOR still don't work, please check whether it is 5V.