SMALL MIGHTY - If it takes an earthquake or siren to wake you up, this classically designed clock is exactly what you are looking for. The 3-level adjustable shaker is perfect for heavy sleeper or those with hearing loss. You also have the option to combine the vibration with the built-in alarm sound (buzzer, bird or music). EASY TO SETUP - Turning the two "ears" to set the time and alarm is extremely intuitive and straightforward. With all buttons clearly labeled and no two functions sharing the same button, it is a breeze to use right out of and change . CUSTOMIZABLE ALARM - The brightness of the classic is dial-controlled and adjustable from 0 to 100%. Dual alarms satisfy the need of anyone who shares the bed with a partner on a different morning schedule. Snooze allows extra 9 minutes of slumber. USB PORTS AND BATTERY BACKUP - 1 USB port located at the back will charge your mobile device while you sleep. AC-powered, you have the option to back it up with 2 AAA batteries (NOT included) in case of power outage. Not only time and are restored, alarms are also supported (vibration and USB will not work). 3-Level Adjustable Shaker This vibrating clock comes with three strength (gentle/medium/strong) for alarm vibration, while the shaker is small and enough to unobtrusively beneath a pillow or mattress. It is a Perfect solution for people who are deaf or anyone who doesn' to wake up partners or with a noisy alarm in the morning And yes, they're Perfect for extremely heavy sleepers too. Dimmer alarm clock 0-100% Dial-Adjusted Dimmer Lets you lower the brightness (or even completely off) to keep your bedroom darker while you're sleeping. You will never worry too bright at night. Operation Mode:Electrical Shape:Round Alarm Clock:Yes Style:Classic Display Type:LCD Power Source:Corded Electric Material:ABS colour:Photo Color Package Contents: 1 * Loud Dual Alarm Clock Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.