Hydration timer notification

Please use it when you move your body in such a high temperature and high humidity.When you forget the time in physical education at school, club activities, and other outdoor activities,This is a convenient app for those times when you forget to rehydrate.Its easy to use, just start the preset timer and it will notify you when the time is up.①Timer start　↓↓(Timer time can be set)(Example: 15 minutes have passed)　↓↓② Time up(notification by alarm, light, vibration)(Ring time can be set)　↓↓③ Interval - during break -(interval time can be set)　↓↓④Timer start (return to ① above)　↓↓··repetition··