Shelly Door/Window sensor uses your home WiFi network, no additional controllers are required.

Stay safe

Shelly Door/Window is going to remind you about open windows when you’re about to leave for work, go to sleep, or when it may rain.

Highly compatible

Compatible with Android, iOS, Amazon Alexa and Google Assistant.

Door sensor

Shelly Door/Window detects and reports the opening and closing of doors and windows.

Temperature sensor

Be aware of temperature fluctuations and keep your home comfortable at any time.

Light sensor

The device has an integrated LUX sensor.

Wire free

Simply place the sensor on your door or window frame and you are all set.

Monitor remotely

Monitor you home, no matter where you are via the Shelly Cloud app and your phone.

Why Shelly Door/Window

The lightning fast smart, door and window 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.

For Developers

Shelly Door/Window 2 is open to the world and developers, it comes with a programming/debug header which can be used to flash alternative firmware on the device. It has an ESP8266 inside, with a 2MB flash chip. A USB-to-UART adapter is needed as well as a reliable 3.3V with at least 350 mA drive capability.

Device pinout ›

Visit our REST API for developers ›

Knowledge base ›