Meross Smart Door Window Sensor, Mini Contact Sensor for Security and Home Automation, WiFi Alarm System, Real-Time Alert, Works with HomeKit, Alexa, Google, SmartThings, Meross Hub Included Start Kit

Compact And Easy To Install: The new mini stylish design doesn’t take up any extra space. No tools are required; just peel off the tape and stick it where you want it. The maximum installation distance of the magnetic sensor reaches 24mm, which can meet the installation requirements of more complex conditions. Mini main sensor size (57 x 31 x 15 mm) Secondary sensor size (28 x 15 x 11 mm). Real-time Alert Notifications: Get alerts instantly in your Meross app so you can stay informed of important alerts related to your smart door sensors, wherever you are, giving you peace of mind and allowing you to take quick action when necessary. Superior Versatility: One hub can control up to 16 Meross sensor devices. The hub utilizes a 433MHz low-power connection solution and boasts better wall penetration capabilities, with a communication distance of up to 100 meters (in open areas). The product is equipped with a replaceable button battery. With the low-power design, the battery life can last up to 2 years. Historical data can be recorded for free (up to 2 years) and can be exported for security inspection at any time. Home Device Automation: Take your home automation to the next level with the Meross Door Sensor. Easily set up triggers to control other HomeKit and Meross devices using simple automation settings, such as having your home lights turn on when the door opens. Explore more linkages waiting for you to discover., Manufacturer: Meross