Sistema de alarma Smart Tuya Seguridad para el hogar WIFI GSM Hogar Inalámbrico APP Control remoto
This alarm system is support 2G/3G/4G GSM network,,Suitable for GSM network frequency in most countries.General GSM alarm system support 2G only. GSM Standard：Support GSM850/900/1800/1900MHz. P831 MINI PIR Motion Detector.