Description: Multifunctional Alarm System: This alarm system supports both WIFI and SIM card. The WIFI provides network functionality, while the SIM card enables call and text message features. It is designed to an alarm when a door or window sensors activated, sending a loud alert and a text notification via the Smart Life. If a SIM card is inserted into the alarm system, it will also call you.Multiple Language Support: The alarm system supports 9 languages including Chinese, English, German, Russian, Spanish, Polish, Italian, French and Portuguese.Advanced Sensor Features: The Home Alarm System comes with motion sensors that detect human infrared signals. When someone approaches your property, it will issue a warning voice message while simultaneously sending you a text message or making a phone call.Customizable Settings: This Home Alarm System offers various setting modes such as home mode for when you are at home and away mode for when you are out of the house.Remote Control Capabilities: No Matter Where you are located in the world; this device allows remote arming/disarming and setting up of functions to ensure your home's safe. Specification: 18.5cmx1.47cmx12.5cm/7.28inchx0.58inchx4.92inchMaterial: Plastic Size Chart: Please note that this device needs to be constantly connected to power but comes with backup batteries that can last up to 2 hours during power outages.Motion sensor and door sensor have built-in batteries which emit red flashes as low battery warnings. Package Includes: 1 Home Alarm System(US Adapter)2 remote controls1 door1 infrared sensor1 sirens1 power supply2 RF ID cards1 instruction manual Note: Please allow slightly errors 1-2cm differences due to manual measurement.