Description: brand new and high quality. Feature: When you leave home, it will push notification message to you when the door/window opens or closes, so you can discover the intruder in for time. Furthermore, you could share the device to your family members and track the history of sensor activities. Simply use your voice to control the connected devices by for Alexa, for Tuya, or for Google Home. It can also perform auto control together with other for smart devices which are for Smart Life or IFTTT or for Tuya app. Convenient for you to detect your doors, for windows, cabinets, drawers or anywhere you want to notified when it is opened or closed. No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape or screws in just a few steps, and download an app for Smart Life for GooglePlay or for Tuya App Store to add the device to detect the status of your door/window. 2.4Ghz WiFi one-key connect easy setup: do not need home for gateway,you can easily achieve the intelligent control of home appliances,simple operation,easy to use. 2.4GHz protocol is more stable,faster and more convenient. Smartphone remote control to make your home smarter no matter how far away from home,the warmth of home is in hands. Support for IFTTT, for Alexa and for Google home and for Tuya. WiFi Door Sensor only, other accessories demo in the picture is not included Specifications: Item Type: WiFi Door Sensor Material: ABS Package Size: 10x5.6x2.4cm/3.9x2.2x0.9in Color: White Battery: AAA 1.5Vx2 Standby Current: