Sistema di Allarme WiFi 2G per Sicurezza Smart Home con Supporto Sirena Solare PIR Tuya
Note: This link's default version is the TUYA wifi+GSM version ，it only support 2G sim card, do not support 3G, 4G, 5G sim card. WiFi: ux802.11b/G/N. Support different alarm channels. Remote Operation.