ChunHee WiFi Door and Window Magnetic Sensor, Wireless Notion Smart Security Home Sensor, Control by Tuya or SmartLife App, Compatible with Alexa, Google Assistant and IFTTT, 2 Packs

Price: $21.49
(as of Jan 18,2021 20:17:10 UTC – Details)

How do you know when others come in and go out in your home no matter where you are? 
✔ Improve Security – Real time monitor the door/window. Instantly receive notifications on your phone that a door or window was opened or closed; you also can check the history in TUYA or SmartLife App
✔ Super Easy to Setup – Sticking the sensor and the magnet to the right position with included double-back tape, and press it 5-10 seconds to stick tightly, no hub required.
✔ Tamper Protection – Avoid others to disconnect the device directly by pressing button , the reset button was inside the sensor, must need to use with card pick-up pin which was included the accessory package
✔ Smart Home technology – Support Alexa, Google Assistant and IFTTT, it means it can work with other smart home devices! Enjoy the smart technology! (Note: only supports Wi-Fi 2.4 GHz)
✔ Durable – Long battery life to protect your home security for 8-10 months