<https://www.tellur.com/cs-cz/products/wifi-motion-sensor-pir#product>
<http://schema.org/description>
"Be aware of every move in the room with the help of the WiFi motion sensor\nOnce connected to the Tellur Smart app, it will send push notifications to your phone every time it detects movement, regardless if it's day or night. Moreover, the sensor will notify you if someone is trying to detach it. The WiFi motion sensor is compatible with the intelligent scenarios that you can set up from the app and works exclusively on 2.4GHz WiFi internet networks. With a compact design and small size, the motion sensor integrates seamlessly into the SmartHome ecosystem of your home. Simple and easy to install, the sensor works without cables, having a battery with an average lifetime of 1 year."
<https://www.tellur.com/cs-cz/products/wifi-motion-sensor-pir>