‎Battery Backup Time & Alarm Seting, Desk, Bedside, Bedroom, Office Use, Loud Alarm for Heavy Sleepers, 3 Wake-up Modes, 7 Levels Ajustable Dimmer & Volume

Mesqool Loud Vibrating Alarm Clock for Heavy Sleepers/Kids, Digital Loud Alarm Clock with Bed Shaker, 8.7″ LED Display Battery Backup Alarm Clocks Bedside, 7 Levels Volume & Brightness, 12/24H DST