Shelly Plus Add-On Ivory Egg Shelly Pro 1PM has an

Shelly Pro 1PM has an embedded Web Interface which can be used to monitor and control the device

Shelly Pro 3 has an embedded Web Interface which can be used to monitor and control the device

virtual components

Button presses and held for 10 seconds:¼ second ON / ¼ second OFF

OTA (Over the Air Update):½ sec ON / ½ second OFF

Shelly Plus Add-On Ivory Egg Shelly Pro 1PM has anVerified from Shelly specs: The Shelly Plus Add On is a galvanically isolated sensor interface for compatible Shelly Plus, Gen3, and Gen4 devices. It allows you to connect temperature, humidity, analog, and digital sensors to expand your Shelly relay or controller into a more capable automation device. Use it for projects such as hot water cylinder temperature monitoring, fridge freezer alerts, soil moisture sensing, motion triggered lighting, liquid