Versatile compatibility: the meross smart door sensor is compatible with Apple HomeKit, Alexa, Google Home and SmartThings. A meross hub is required and can control up to 16 Meross devices (sensors, detectors, thermostat) at the same time Real-time monitoring: Receive instant notifications via the Meross app or the Apple Home app as soon as an alarm state is detected. Stay informed about the status of your doors and windows and detect potential security breaches. In addition, you can use voice commands to query the status of the device Home automation: Use the simple automation settings of the app to link door and window contact with other HomeKit and Meross devices. For example, you can set the door alarm to be activated and the light turns on when the door is opened. Make your home easier and more convenient Reliable and durable: the WiFi door/window sensor uses a 433 MHz connection scheme and allows a communication distance of up to 100 metres. With its built-in CR2450 battery and low power consumption, it offers a battery life of up to 2 years. The battery is replaceable. It also provides 2-year history records that can be exported at any time for security audit Mini design: the door and window alarm has a compact mini design that does not take up additional space on the door or window. The main sensor size is only 5.7 x 3.1 x 1.5 cm and the secondary sensor size is 2.8 x 1.5 x 1.1 cm. Attach the Smart Home Sensor anywhere you need it with the included strong adhesive tape - be it on a bedroom door, garage door, refrigerator or even a pet door Please make sure the sensor is within the range of your Wi-Fi network; check the WiFi signal strength in the room where the sensor is installed. Make sure your Wi-Fi network is working at a 2.4GHz frequency as the Meross sensor only supports this frequency

Technical Details Battery description: ‎Lithium-Ion Number of batteries: ‎1 Lithium Metal batteries required. (included) Voltage: ‎5 Volts Control method: ‎App Mounting type: ‎Wall Mount Maximum range: ‎100 Meter Sensor technology: ‎Contact Sensor Global Trade Identification Number: ‎06973696569448 Manufacturer: ‎meross Part Number: ‎MS200 Product Dimensions: ‎5.7 x 3.1 x 1.5 cm; 160 g Batteries: ‎1 Lithium Metal batteries required. (included) Item model number: ‎MS200 Size: ‎1 St. mit Hub Style: ‎Door and window sensor Pattern: ‎Pack of 1 with hub Item Package Quantity: ‎1 Included Components: ‎1 x WLAN window and door sensor + 1 x meross hub Batteries Included?: ‎Yes Batteries Required?: ‎Yes Battery Cell Type: ‎Lithium Manganese Dioxide Description Pile: ‎Lithium-Ion Item Weight: ‎160 g Additional Information ASIN: B0CC9KN17N Date First Available: 15 Aug 2023

1 x WLAN window and door sensor + 1 x meross hub