Designed to detect a window or door being opened. | Totally wireless : communicates remotely with the S02 / GSM central system | Ready to Arm Features work on Fortress Total Security / Ani WiFi Systems | Attaches to any door or window | Requires one 23A battery

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 wireless security 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 | Free WiFi connect the unit to your router, 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