Feature 1180 Degree Rotation Adjustment: The digital alarm clock supports 180 degree rotation adjustment and the projection function can be used on the ceiling or wall. 2Digital Display :The projection digital alarm clock uses large font LED large screen display, displaying the time is very easy to read, practical and fashionable. 3Two Display Modes: The projection alarm clock has two display modes with adjustable brightness design, you can operate it according to your needs. 4USB Interface: LED projection alarm clock has a USB port, you can charge it with USB cable, suitable for office, desk or bedroom. 5Multifunction: LED alarm clock not only has calendar and thermometer function, but also can be used as an alarm clock with stop alarm function.Item Type:ProjectionAlarmClockMaterial: ABSBattery Type: Button Cell (Ship with Inbuilt Battery)Battery Model: CR2032Battery Capacity: 240mAhColor: Green .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x ProjectionAlarmClock (Ship with Inbuilt Battery)1 x USB Cable1 x User Manual