Shelly Plus Add-on

WiFi-operated smart switch, 1 channel 16A


Control a wide range of home appliances and office equipment (lights, power lines, security systems, heaters, radiators, sockets, LED strips, etc.) from anywhere.

  • Dry contacts
  • Extremely fast processor – ESP32, Improved API interface
  • Enhanced safety
  • Enhanced security - MQTT and WSS support, TLS and custom certificates support
  • Designed to fit in most standard electrical boxes and switches
  • Easy control through the Shelly app, various protocols, and platforms, as well as voice assistants

WHY SHELLY PLUS 1?

Even better home automation experience and enhanced lighting control!

Automatization of the lights, garage door, irrigation system, bathroom fan, any old electrical appliances… you name it! Shelly Plus 1 has numerous applications providing enhanced smart home control. Small enough to fit behind every wall switch or wall socket, Shelly Plus 1 is retrofit and can be installed in less than 10 minutes



Shelly Plus Add-on


Add-on for Shelly Plus devices 

  • Can be used with up to five DS18B20 sensors orone DHT22 sensor
  • Has an analog and a digital input
  • DS18B20 - Temperature sensor (up to 5); please choose the product variant with or without (default variant ships without it)
  • DHT22 sensor- if you want to monitor temperature and humidity

Why Shelly Plus Add-on

Measure and Control with Precision 

Shelly Plus Add-On is galvanically isolated sensor interface for all Shelly Plus Relays.  Use it to measure Temperature and Humidity using its 1 wire terminals, or connect various analog and digital sensors for complex automation and higher efficiency. 


DS18B20 Sensors 
Temperature Probe