Vibrating alarm clock for deep sleepers with bed shaker and loud alarm 1. Alarm Clock with Bed Shaker - The alarm clock comes with a bed shaker function that is perfect for heavy sleepers. If a regular alarm clock cannot wake you up, if you are worried that the alarm sound will disturb others, if you have hearing impairment, our alarm clock is your ideal choice.<br> 2. Loud Alarm Clock - Featuring an incredibly loud 110 decibel alarm, this clock will wake even the deepest sleepers. This clock has 4 volume control settings, you can easily switch between different levels of sound to find the one that wakes you up comfortably and on time every morning.<br> 3. Alarm Clock with Large Blue LED Display - The numbers are 2.56-inch height and easy to see from across the room, even if you don't have perfect vision. The alarm clocks have an extra large display, make it simple to check the time at a glance. No more squinting or straining your eyes just to see what time it is.<br> 4. Adjustable Brightness Digital Clocks - The clock display can be brightened to suit the lighting situation in the bedroom. Our alarm clock has 5 levels of brightness, you can adjust it at night so as not to disturb sleep.<br> 5. Dual Alarm Clock & 9min Snooze - With the ability to set up 2 independent alarms, you can easily meet your different needs and schedules. Need a few extra minutes of rest? Simply press the prominent nap button at the top, granting you a refreshing 9-minute snooze before getting up energized and ready for the day.