Sistema de Alarma Seguridad Hogar Inteligente WIFI 2G GSM APP Control Remoto Alarma Antirrobo EE. UU.
GSM Standard：Support GSM850/900/1800/1900MHz. App supports several alarm operation. Alarm Current：＜450mA. Host dial phone number preset by user when alarms, and number never lost even power off. Alarm Loudness：80dB.