Enhance your home security with the SONOFF DW2 Wi-Fi Wireless Door and Window Sensor. This innovative device offers peace of mind by keeping you informed about the safety of your home, no matter where you are. Two-Piece Design: The DW2 Wi-Fi sensor consists of a transmitter that fits onto your door or window and a magnetic switch that attaches to the frame. This setup ensures that you are immediately alerted on your smartphone if a door or window is opened, providing an effective burglar alarm system. Smart Device Integration: Seamlessly link the sensor with other smart devices to create customized smart scenes. For example, set your lights to turn on automatically when a door is opened, enhancing both security and convenience. Real-Time Notifications: Receive instant notifications on your phone whenever a door or window is opened. The app also allows you to check the current status and view the history of openings and closings, keeping you informed at all times. No Gateway Required: The sensor uses Bluetooth low energy pairing, eliminating the need for a separate gateway. Easily share access with family members so everyone can monitor and control the home environment. Battery Monitoring: Stay informed about the sensor's power status with real-time battery level displays and low-battery reminders. This feature ensures you know exactly when to replace the batteries, maintaining uninterrupted security. Easy Installation: With a simple peel-and-stick design, the sensor is easy to install on door frames and window sills, making it a hassle-free addition to your home security system. The SONOFF DW2 Wi-Fi Wireless Door and Window Sensor is an essential tool for anyone looking to enhance their home security with minimal effort. Its user-friendly features and reliable performance make it a top choice for modern smart homes.