1、The alarm hosts for all PG-103 in this link are all WIFI GSM（2G） GPRS versions. 1 、 Los hosts de alarma para todos los PG-103 en este enlace son todas las versiones WIFI GSM 4G.
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KERUI door and window sensor monitors door / window status 7 × 24 hours. Small and easy to install. KERUI door open sensor provides 24-hour monitoring. Tuya door sensor can work by itselfs, when it was triggered, it can sent you alarm throught Tuya APP, don't need to work with alarm panel.
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KERUI P815 Motion Sensor. KERUI D022 Door Sensor.
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This is a program model magnetic alarm with an indicator light. After the magnetic strip is separated, it will make alarm sound 20 seconds. After 20 seconds, the magnetic strip will be closed and then stopped for 20 seconds.
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The alarm host can only connect to the 2.4gwifi frequency band and cannot connect to the 5gwifi frequency band. 24-hour zone, Doorbell defense zone, etc. 5 sets of preset alarm calls, respectively set their SMS switch, voice switch.
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【Multiple Ways To Unlock】Hornbill smart door locks combines 10 unlock ways in one. Hornbill digital smart door lock provide 5000 openings with 4 AA batteries(Not included battery), which can be used for 6-8 months.
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