Geemarc Sonic Bomb - Extra Loud Alarm Clock with Tone and Volume Control, Bed Shaker and Snooze Function - For the Hard to Wake, Hard of Hearing and Deaf - UK Version

Sonic Bomb Dual Extra Loud Alarm Clock with Bed Shaker, Black | Sonic Alert Vibrating, Heavy Sleepers, Battery Backup | Wake with a Shake

uscce Loud Dual Alarm Clock with Bed Shaker - 0-100% Dimmer, Vibrating Alarm Clock for Heavy Sleepers or Hearing Impaired, Easy to Set, USB Charging Port, Snooze, Battery Backup

Sharp Big Bang Super Loud Alarm Clock for Heavy Sleepers, 6 Extremely Loud Wake Up Sounds: Rooster, Bugle, Nagging Mom, Jackhammer, Siren, Beep – Up to 115db Volume, Red/Black with Red LED Display