Oscar WPR100 Wrist Pager with 4 Wireless Call Buttons, Black

Wrist pager + call buttons, the idea is for both caregiver and patient, housemaid, elderly, resident while still calling for help at home. No need to yell out to get someone's attention. Smart caregiver alert: Vibration or audible prompt for choice. Waking up only the night shift caregiver without disturbing the others. Call button is waterproof. Acceptable for splash, and allowed to be installed in the laundry room. Suitable to be used in cafes, restaurant, tea house, hotel, hospital, etc. Call button is easy to carry. It can fit inside the pocket. Both wrist pager and call buttons are powered by built-in battery. Pager battery is rechargeable. Standby time is about 3 days. Call button battery is DC 12V 23A. Standby time is about 1 year. The range between wrist pager and call button is up to 400 meters in open area, strong ability to penetrate the wall, the specific distance depends on the situation.