Tuya Smart GSM 4G Wireless Alarm System WiFi Pir 2 Way Audio SMS Calling Alexa

## Tuya Smart 4G WiFi Alarm System . tuya universal smart platform. 1x pir sensor. Two-way audio via GSM. WiFi: 2.4GHz (IEEE 802.11 b/n/g). Connectivity: . Up to 100 wireless detectors.

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