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Wireless Door Sensor Home Security 433MHz Frequency White Window Magnet Ev1527 Encoding Method Work With Alarm System Host
AC85-220V Wired Door Window Magnetic Sensor Switch Work With PTSN and GSM Alarm System and cabinet
ACJ Wireless Window Door Sensor EV1527 Coding Mode RF 433MHz for Home Security Alarm System Burglar Alarm Kits
10pairs NC type Wired Door Window Sensor MC38 Magnetic Switch normally Closed NC for our Home gsm pstn Wire Alarm System
Tuya Wifi Door Window Sensor Detector Alarm Smart life Compatible With Alexa Google Home