Wrist Pager With Wireless Call Button Black

Wrist Receiver: Dimension: 50x42x15 Power: USB Interface Colour: Black Material: Plastic Capacity: 500 pcs of pager transmitters Alert Mode: Vibration and Buzzer Receive Sensitivity: -110 dbm Frequency: 315 MHZ or 433.92 MHZ Weight: 50 g Pager: Dimension: 57.5x57.5x7.2 mm Material: ABS Frequency: 433.92 MHZ Encoding: Million group registration Colour: Black Call distance: 400+ meters (Open Area) Weight: 18 g Wrist pager + Call buttons, the idea is for both caregiver and patient, housemaid, elderly, resident while still calling for help at home. Not 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.