Feature 1、Works with Tuya/Smart Life - It can also perform auto control together with other smart devices which are compatible with Tuya/Smart Life. 2、APP Notification - Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to be notified when it is opened or closed. 3、Multi-Viewer - You can share the device to your family members and track the history of sensor activities. 1.Description: The smart door and window sensor detects the opening or closing of doors and windows, and combines with other intelligent devices to realize intelligent application scenarios. 2.Features: Works with Tuya/Smart Life - It can also perform auto control together with other smart devices which are compatible with Tuya/Smart Life. APP Notification - Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to be notified when it is opened or closed. Multi-Viewer - You can share the device to your family members and track the history of sensor activities. Easy to Install - No complicated installation tools are required. The sensor can be installed with self-adhesive tape in just a few steps. Long Battery Life - Powered by button battery with low consumption for ease use. 3.Parameters: Item name:Smart Door and Window Sensor Color: White Material: ABS Detection: <5mm Battery: CR2032 button battery Protocol: ZigBee 3.0 Wireless type: 2.4GHz Support: Amazon Alexa, Assistant App: Tuya Smart / Smart Life Size: 50*25*11 mm / 30*15*10 mm 4.Note: When powering on for the first time, press and hold the reset button below for more than 6s with the pin, until the front indicator flashes, the product can be connected to the network. There is a little of difference according to manual measurement. 5.Package List: 1 * Sensor 1 * User Manual Package List 1 * Sensor 1 * User Manual