Description: 1. Product introduction: Tuya wifi smart magnetic sensor .Compatible with Alexa & Google Home 2. Product APP: tuya/Smart Life 3. Installation and connection pairing method: No complicated installation tools required. The sensor can be installed with double-sided tape or screws (included) in just a few steps, and download an app "tuya" or "Smart Life" from GooglePlay or App Store to check the status of your door / window. 4. Product main function: Get Instant Push Notification to Your Phone When Door Sensor Detects Activity 5. Selling point: Just use your voice to control the connected devices through Alexa or Google Home. It can also perform auto control along with other smart devices compatible with Smart Life. Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want when it is opened or closed. 6. Product application scenarios: When you leave home, it will push notification message to you when the door / window opens or closes, so you can detect the intruder in time. Moreover, you could share the device to your family members and track the history of sensor activities. Specifications: 1.Operating Power: AAA 1.5V X2(Not including battery) 2.Wireless Type:2.4GHz(not support 5G ) 3.Compound multi-layer design 4.Built-in omnidirectional antenna 5.Superior circuit design 6.High-performance and low power consumption 7.Superior ABS material 8.Protocol:IEEE 802.11b/g/n 9.Shock resistence:4.7M,1.2M.3.5M,300k 10.Transmission distance:50-200m in open are Package Included: 1 * tuya wifi door/window sensor 1*Instruction Notes: This device is designed for tuyasmart / smart life app. You can set it to control other tuya smart device. You can check the detector status in alexa / ifttt app, but it can not control other alexa / ifttt device. If you do not know how to connect to your alexa / ifttt app, please contact us, thanks !!!