**********With the help of caregiver pager; medical staff can immediately receive help signals from patients or elderly people; 150m or 492ft working range in open area; so that caregiver can stay in the garden but offer the fast help*****USB charging cable and rechargeable lithium battery for wrist pager; standby time is up to 2 days; 5 modes; vibration; light; buzzer; also suitable for deaf and blurred vision caregiver to use*****Max add 500 users; live view and queue view to track the call history up and down; support multiple pagers call the same watch receiver and one pager also can call multiply watch*****Waterproof call buttons; compact size; easy to put in pocket; double sticker are included; can be fixed on table; just press the button; call buttons number and service type will display on the wrist watch; no need to yell to get someones attention*****Note; a protective film is affixed to each watch in order to prevent it from being scratched during inspection and transportatio