Feature:1. GSM Alarm: When the power is suddenly cut off at home and WiFi is disconnected, GSM can call the police, and when no mobile card is installed, WiFi connection will push the alarm to the mobile APP.2. Safe Protection: Support remote alarm. When the alarm is triggered, the host will sound the siren and also call or text the person whose phone number you saved on the host.3. Loud Sound: When someone triggers the system, it will sound a loud alarm, and scare away thieves to keep you safe.4. Excellent Features: High working efficiency, stable performance, sensitive and flexible, which is a must have anti theft system for your home.5. Easy Operation: No wiring installation, save your time and effort, plug and play, no modification is required, convenient for using.Specification:Item Type: Home Burglar Alarm SystemMaterial: ABSBattery Type: Lithium battery.Package List:1 x Home Burglar Alarm System2 x Remote Controls1 x USB Power Cord1 x Charging Head1 x Infrared Detector1 x Horn1 x Door Magnetic Alarm Combination Set