Product Description Size: 180*46*91MM Can store 15 radio channels 0~~10 volume control 5. 8-inch large-screen LED display FM: 76.0-108.0MHz Working voltage: 5V USB output interface: 5V 1A Package Contents: 1 x Digital FM Projection Alarm Clock 1 x USB Cable 1. 180ROTATING PROJECTOR & 180FLIP PROJECTION DISPLAYThe projector (-90 to 90) can be rotated to your desired direction on the ceiling or wall for projection. Long press the "Projection" button to rotate the projection display 180. Optimum projection distance of the projection alarm clock: 5 m.2. 0- ADJUSTABLE DIMMERDigital alarm clock with convenient dimmer slider allows you to adjust the display brightness from 0- (dim to bright). Ultra-clear, large 8" LED display is very easy to read and easy to see without glasses. Also ideal for seniors and short-sighted people.3. 2 ALARMS & 5 ALARMS & 3 VOLUME & SNOOZE The projection clock can be easily opened Two separate alarms can be set so you and your partner can get up at different times depending on your daily routine.4.FM RADIO & SLEPP TIMER Radio alarm clock with projection can store up to 30 FM stations.The 33-inch -Antenna can be extended for better signal reception. With the sleep timer function, you can easily fall asleep while listening to the radio. The radio will turn off automatically after the set time (between 5 and 90 minutes).5. USB CONNECTION AND STORAGE FUNCTIONUSB output interface on the back of the digital alarm clock for convenient charging of smartphones.The projection alarm clock is powered by standard USB port ONLY (USB CHARGING CABLE & ADAPTER included).The built-in e CR2032 button cell in the projection clock is used to maintain time and alarm settings in the event of a power failure.