Factory Directly Sell Door Window Detector Alarm 120dB Smart Window Door Sensor

KR-D121 is a door magnet alarm host.
It has the function of instant detection of door and window opening, and also has the function of pairing remote control and detector.
It has a novel shape design and smooth lines, which fits well with home decoration and can be integrated with the installation environment.
In the case of arming when the door magnet alarm host is separated immediately alarm, in order to prevent attempts to sneak in through doors and windows and other places of the intruder;
Door Magnetic Alarm Host can be wirelessly connected to infrared detectors, door magnets, smoke detectors, gas detectors, emergency buttons and other accessories.