Shake The Product To Snooze Or Press Any Button.Flip Over To Stop The Alarm.Powered By Integrated Rechargeable Battery 1200mAh, USB Charging Lead Included.Dimmable Ambient Light and Clock Face Screen Display Light.Approx. 3 Hours, Battery Life Time After One Charge: 5-6 onths When Only In Alarm Clock Use Or Approx. 17.5 HoursName: alarm clock,Battery: Built-in lithium batteryCharging method: USB,type: Alarm Clocktype: LED alarm clocktype: Dimming alarm clockColour:grayMaterial:ABS+PC paintSize:94 x 80 x 80mmPackage Contents:1 x alarm clock, 1 x USB data cableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.