Shelly Door/Window 2

Smart door and window sensor with an integrated lux sensor



What is Shelly Door/Window2?

Smart door and window sensor with an integrated lux sensor

Shelly Door/Window is designed to detect and report the opening and closing of doors and windows. Its compact design allows it to be easily installed on any door or window, and because of its lightweight, the sensor is nearly invisible.


  • No HUB required.
  • Detects and reports the opening and closing of doors and windows.
  • Integrated temperature and LUX sensor.
  • It can be integrated to work with all other Shelly devices.
  • Compatible with Android, iOS, Amazon Alexa, Google Assistant, and home automation servers using MQTT, CoAP, and REST API.
  • Easily make your Arduino project live and usable in your automation project.


Battery life 18 months
Battery type 2xCR123A – NOT included
Power supply AC No
Power supply DC No
Illumination measurement Yes
Motion detection No
Open/Close Yes
Tilt angle detection Yes
Vibration detection Yes
Water detection No
Temperature measurement range – 40°C ~ 60°C (± 1°C)
Operational temperature -10ºC to +50ºC
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
Wireless/WiFi Protocol 802.11 b/g/n
Radiofrequency 2400 – 2500 MHz
Radio signal power 1mW
Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Size 82mm x 23mm x 20 mm, 52mm x 16mm x 13 mm

Device pinout


Use cases

Anti-burglar protection

With Shelly Door/Window, you are aware and receive an instant notification if a door/window gets opened when you are not at home. Now you will be able to know if burglars are breaking in and immediately take action by calling the authorities.