Chuango LTE-400 - WiFi + 4G Alarm System, wireless home security system with base station, 93 db, 2 door/window sensors, pet-friendly motion detector, and 2 handy remote controls.

["APP-CONTROLLED ALARM SYSTEM - When a compatible Chuango sensor is triggered, you will receive an immediate push notification through the app.", "4 STATUS MODES - Switch between armed, disarmed, home, and SOS modes. A 4G SIM card is optional (for SMS communication) - not included.", "EXPANDABLE SYSTEM FOR OPTIMAL SECURITY - You can expand your system with up to 50 different sensors and control them all through the app.", "PROFESSIONAL PROTECTION FOR WINDOWS & DOORS - Once a door or window is opened, the alarm will sound and you will immediately receive the push notification on your smartphone.", "EASY INSTALLATION - No tools or installer required! All parts of your alarm system can be quickly and easily self-installed."]