LOTE 433Mhz Sistema de Alarma Sensor Automático Inteligente Inalámbrico Detectores de Puerta y Ventana

Via 433MHz wireless radio frequency. This door sensor transmits the signal to the alarm panel (or the alarm host). This signal is transmitted. This signal is transmitted via WiFi or GSM/4G card. It needs to work with alarm panel together, can’t work alone.

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