OnLyee Projection Clock, AM FM Radio Alarm Clock, Bedroom Desk Wall Ceilling Clock, 7&rdquo; Large Digit Clock, 3 Dimmer Options, Dual Alarm, USB Charging Port, Battery Backup AM/FM RADIO WITH SLEEP TIMER :accurate digital tuner delivers a wide range of radio frequency available for you to choose(AM radio frequency:520-1710Khz,FM Radio frequency:87.5-108MHz).allow you to store up to 10 AM Radio stations and 10 FM Radio Stations,easily enter into your presetting radio channels without manually search again.Featured with sleep timer 90-80-70-60-50-40-30-20-10minutes listening duration,AM or FM radio will auto off after your set specified timer. 180 ADJUSTABLE PROJECTOR & FOCUS DIAL & FLIPABLE PROJECTION:the crystal clearand non-obtrusive projected time on ceiling is easy on the eyes at night with your glasses off when you are laying on bed from a distance.You can rotate the projection 180 degrees in both directions, even projecting on a wall or at foot of your bed, and flip the orientation so the numbers are always right-side-up.designed with focus dial to adjust clarity of projection numbers as well. 7 INCH LED DISPLAY with 3 DIMMER & SNOOZE:The face of the clock is large and you can read it from across the room even with my glasses off and perfectly for elders as well.This alarm clock is designed perfectly with 3 dimming levels,the dimmest brightness is very comfortable without disturbing your sleep in any way.just press DIMMER button to eliminate extra light in the room. The snooze button is in a convenient central location to turn off alarm. DUAL ALARM WAKE TO RADIO OR BUZZER & ADJUSTBLE ALARM VOLUME: This alarm clock is perfect for who like to hit snooze or need two alarms to be used by wife and husband who get up at different times. The options to wake to the buzzer or radio works well for who wakes better to the buzzer and the other wakes better to the radio.alarm volume is available from LEVEL 1 - LEVEL 15 to set alarm for your preference,especially the loudest alarm volume LEVEL15 (80DB) is designed for heavy sleepers. USB CHARGING & OUTLET POWERED,BATTERY BACKUP YOUR SETTING:outlet powered for all functions include radio,alarm, time display and USB Charging.Two AAA 1.5V batteries(not included) are required to ensure memorization of Time setting that you don't need to re-set time when power outages.wake up with fully charged cellphone connected this clock with built in USB charging port. compatible with all android & IOS smartphones, tablets, mobile phones .(an appropriate cable switch is required)