Original Xiaomi Wireless Door Window Sensor Entry Burglar Alarm Safety Security Guardian Protector Magnetic Smart Home Device Accessories <br><br><strong>Features:</strong> <br>Magnetic sensor switch detects entry. <br>Ideal guardian against the unwanted intruder whether you are in or out￡? keep yourself and your property safe and security. <br>Easily attach the main sensor on the door/window and attach the stick adjacent the main sensor on the door/window frame with the adhesive tape (included). <br>Simply step installation￡? easy to use. <br>Super practical equipment for you and your family. <br>? <br><strong>Specification:</strong> <br>Item: Wireless Door Window Sensor <br>Brand Name: Xiaomi <br>Quantity: 1 Pair <br>Body Color: White <br>Material: Plastic <br>Product weight: Approx.14g / 0.5oz <br>Package size: 8.3 * 8 * 1.7cm / 3.4 * 3.1 * 0.7in(L * W * H) <br>Package weight: Approx.32g / 1.1oz <br><br><strong>Note:</strong> <br>This product must collocate with the Multi-functional Gateway of Xiaomi Smart Home Devices Set work togther. <br><br><strong>Package List￡o</strong> <br>1 * Alarm Unit <br>1 * Magnetic Sensor