1.【180°ROTATING PROJECTOR & 180°FLIP PROJECTION DISPLAY】The 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°.Optimal projection distance of the projection alarm clock: 5 m. 2. 【0-100% ADJUSTABLE DIMMER】Digital alarm clock with convenient dimmer slider allows you to adjust the display brightness from 0-100% (dark 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 ALARM SOUNDS & 3 VOLUME & SNOOZE】The projection clock can be easily set to two separate alarms, allowing you and your partner to get up at different times depending on your daily schedule. 4. 【FM RADIO & SLEPP TIMER】 Projection clock radio 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 switches off automatically after the set time (between 5 and 90 minutes) has elapsed. 5.【USB PORT AND STORAGE FUNCTION】USB output interface on the back of the digital alarm clock for convenient charging of smartphones.The projection alarm clock is powered via the standard USB port ONLY (USB CHARGING CABLE & ADAPTER included).The built-in CR2032 button cell in the projection clock is used to maintain time and alarm settings in the event of a power failure.