GSM 3G/4G WiFi Security Alarm System-S6 Titan Classic Kit Wireless DIY Home and Business Security System Kit by Fortress Security Store- Easy to install Security Alarm All the functions of a high-end alarm monitoring system without the monthly fees! NEW GSM 3G/4G Panel for Home and Business Security- Wireless Do-It-Yourself Home and Business Security NEW completely wireless system with built-in 3G/4G GSM dialer. Activates siren then dials your phone or sends a text message in case of intrusion Remote monitoring. Call the system anytime and check status, remotely arm or disarm the alarm and use the intercom function Simply connect the unit to your FREE Pre-installed GSM SIM card (activation required) and enter up to 6 contact numbers into the system FREE mobile app for iPhone and Android phones so you can control your system from anywhere with your smartphone