HENDUN Wireless Remote Door Alarm, Windows Open Alarms,Magnetic Security Sensor, Pool Door Alarm for Kids Safety, Alzheimer’s Apartment Alarm

Easy to install and operate – gate/doo/burglar alarm alarm with remote control/keyfob
Multi-purpose – magnetic door alarms/doorbell chime/pool door alarm
More remote and sensor paired each other -one magnetic sensor can match with at most 8 remote freely,one remote could control several sensors. Second remote ASIN B084VTYF51
Magnetically triggered alarm sounds–105db when window or interior door is opened by kids & dementia patients.
REMINDER: Returned because the volume is not adjustable and not compatible with the pool UL 2017, although it is very easy to use and effective.