15 daily vibration alarms x x x Warning : Will NOT Work for Deep Sleepers. 1 - 99 min. auto repeat countdown timer - for drinking water or ADHD hourly reminder. Soft silicone strap (NO LOGO) 4.5 inch - 8 inch , New 2021 inch Easy wear or Secure wear' two buttons package. Watch online video instructions before use please Hand/Wrist raise time display; 12/24 hour time; Rechargeable (Normal 5V, 2A USB Charger required, but not included) x x x Warning: The watch is not water proof, please do not let watch get wet. 6 Months (not including strap and water damage); x x x Warning: This watch may be too hard to program for some users, please check out the video instruction before ordering. Watch movement type: Quartz Display type: Digital Department name: unisex-adult eSeasongear VB150 Vibration Alarm Watch - 15 Vibrating Alarms with Countdown Timer- Water Drinking Reminder.