1. Alarm Clock with Bed Vibration Function - This alarm clock features a bed vibration function, ideal for heavy sleepers. If traditional alarm sounds are ineffective, if you are concerned about disturbing others, or if you have hearing difficulties, this alarm clock is a suitable option. 2. Loud Alarm Clock - This alarm clock produces a loud 110-decibel alarm sound, capable of waking even the deepest sleepers. It offers 4 volume settings, allowing you to select the preferred level for reliable and timely wake-ups each morning. 3. Alarm Clock with Large Blue LED Display - The display features 2.56-inch-high digits, making it easy to read from across the room, even for individuals with poor eyesight. The extra-large screen allows for quick time checks without squinting or straining. 4. Adjustable Brightness Digital Clock - The display brightness can be adjusted to match the lighting conditions in your bedroom. With 5 brightness levels, you can reduce the light at night to avoid sleep disruption while maintaining visibility.