CallToU WiFi Smart Wireless Caregiver Pager Door Alarms for Dementia Patients Door Chimes with 2 Door Sensors 1 Receiver walkie talkie The distance between the button

The distance between the button and the distress receiver to be used is about 500 feet

WiFi Door Sensor Window Alarm Sensors

What factors affect the use distance of the pager

Brand ‎CALLTOU Color ‎White Power Source ‎Battery Powered Compatible Devices ‎Smartphone Item dimensions L x W x H ‎5

CallToU WiFi Smart Wireless Caregiver Pager Door Alarms for Dementia Patients Door Chimes with 2 Door Sensors 1 Receiver walkie talkie The distance between the buttonProduct Description [ How thisWIFIAPP Door Chime Works ] This WiFi emergency alarm device can be connected to your cell phone for remote push to take care of the old and young at home anytime and anywhere. When the elderly or children open the door to go out, the hub will sound an alarm, at the same time, the smartphone APP will receive a warning alert, no matter the phone is in another city or province, you can receive a instant warning alert