Loud Alarm Clock With Bed Shaker For Heavy Sleeper,dual Vibrating Alarm Clock With Usb Charger For Hearing-impaired Deaf f54 [ Easy Wake by strong bed shaker & loud buzzer]The digital alarm clock is equipped with super powerful shaker, loud buzzer and flashing wake-up light, Three modes run at the same time to stimulate your hearing, vision, touch to wake you up on time. Its an ideal choice for heavy sleepers, hard to wake.[Large Display for Trouble Vision Person]This 6.18" modern mirror alarm clock clearly show the time with 12H/24H mode,and it has a black background with white letters shining brightly making it very easy to be seen from across the room and easy to read without glasses in the dark. [Automatic Adjustment]The electronic clock LED display has low, medium and high brightness, you can choose the brightness freely; the LED clock is equipped with a photosensitive sensor, which can automatically adjust its brightness according to the light intensity around the screen.[Compatible with Android and Apple]Mirror clock uses 5V2A, built-in a CR2016 button battery, USB power supply, with 2 USB ports, can charge your mobile phones, tablets, compatible with iPhone, Android phones.[Detachable Base + Wall Hole]When the clock is installed on the base, it is a desk clock, used for desks, bedsides, and dressing tables; when the clock is removed from the base, it is a wall clock that can pass through the hanging hole on the back Installed on the wall, used in bedroom, office, living room.