About this product[Super Powerful Bed Shaker + 3-in-1 Alarm] Equipped with a specially designed platform-shaped high-vibration pad that can be easily placed under your pillow or mattress. It will wake you up with super strong vibrations. Perfect for heavy sleepers, sleepy children, deaf or hard of hearing. It is also equipped with 3 wake-up modes: vibration/alarm clock/vibration + alarm clock.[110dB Extra Loud Alarm] Features extra loud 110db and adjustable alarm buzzer, suitable for all sound sleepers, sleepy children, hard of hearing. This alarm clock also has a dual alarm system, making it convenient for couples or people with different schedules. The snooze function allows you to sleep a few extra minutes before being reminded again.[5-Level Dimmer + Extra Large Display] Features 6-inch black large non-reflective LED screen and large digits, easy to read at any angle during the day or night, suitable for children, seniors, people with myopia or poor eyesight, just press a button to adjust the brightness in 5 levels from 0% to 100%.[Plug-in Power Supply + Battery Backup] Must be used with the included 100-240V AC power adapter. 2 AAA batteries (not included) can only save time settings and alarm settings during a power outage. The battery can also trigger an alarm during a power outage, so you don't have to worry about oversleeping.[Included Content] 1 x Powerful Bed Shaker Alarm Clock, size 168*40*65mm; 1 x vibration pad with 1.8m cable (black or white, shipped randomly); 1 x 100-240V AC power plug; 1 USB-C power cableBuying our products not only means you get high-quality goods, but also that you get to enjoy our meticulous customer service. Our customer service team is always on hand to provide you with help and support at any time