Wireless Wifi Smart Home Business Security Burglar Alarm System with Loud Siren DIY Kit Auto Dial,Come with PIR Motion S

NETWORK SUPPORT - Support 2.4G WIFI and PSTN(landline).When sensors be triggered,it will push alarm information to APP via WIFI and call the phone number via telephone line.If WIFI failure,the alarm host will change PSTN mode auto.Also work with Alexa and MIPC Security Camera
EASY-OPERATION APP - Download the APP(APP name W1) on your smartphone,support IOS/Andriod,so you can control the home security systems through your phone