Display color: white/blue/green/red Item color: black Material: plastic Size: 180*46*91mm Battery: built in 2032 button cell Power: 5V USB charging Screen: 8in LED screen weight:330g Features: Adjustable brightness: Alarm clock radio offers a large, crystal clear display that can be dimmed to adjust to your brightness preference. Projection: Project time onto your walls or ceiling. 180 degree: 180-degree swivel projection, you do not need to roll over to view the time. Radio function: Listen to your favorite music, news using the built in radio function. Dual alarm: Clock enables you to set 2 separate wake-up alarms. Brightness: It is designed with 3 dimming levels, you can adjust the brightness settings according to your preference. Snooze function: Snooze function gives you extra minutes of sleep before alerting you again. Power: With USB output interface and built in button cell, the projection clock can be able to charge your smart phones, tablets and any other digital devices smoothly. Use: Projected on ceilings or walls, the projected time image is very clear to view.