Waterproof Vibration Alarm Watch with Countdown Timer, Personal Alarms - High quality: This reminder clock with vibration alarm has a stylish and soft silicone strap that is lightweight, durable, and hypoallergenic. The case is made of ABS + PC, lightweight and comfortable to wear. The bright screen provides a comfortable touch experience. This is a unique gift for your loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 individual vibration alarms, no daily on/off required. The quiet, strong vibration does not disturb others, making it ideal for discreet reminders such as bathroom breaks, homework, medication, hydration, waking up, exercise, daily planning, prayer, or routine tasks. - Multifunctional: Features time, date, and day display, battery indicator, 6 alarm settings, 12/24-hour format, countdown timer, stopwatch, and temperature measurement. Practical for more than just waking up—use it as a silent reminder for meetings or medication. - Rechargeable and waterproof: Designed to be waterproof and sweat-resistant, suitable for use during handwashing or rain exposure (not for swimming or showering). The long-lasting rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. Quickly charge anytime via the built-in USB port. - Easy to use: No Bluetooth or app connection required. Set alarms and functions directly on the device. Power-off memory function retains all settings even when the device is turned off. Compact size makes it easy to carry in a pocket or bag. Material: Silicone + ABS. Battery capacity: 75mAh, 3.7V. Operating temperature: -10°C to 50°C. Waterproof rating: IPX5. Charging voltage: DC 5V (built-in USB allows direct charging from a power bank). Functions: 1. Temperature measurement: Automatically monitors body temperature throughout the day. Alerts vibrate if temperature reaches or exceeds 37.3°C. 2. Time and date setting. 3. Vibration alarm with up to 6 alarm groups. 4. Countdown timer and stopwatch. 5. Fully charged unit operates for approximately 30 days.