The iT800 is a state-of-the-art WiFi programmable thermostat that combines elegance, efficiency and total connectivity. Control your heating or cooling from anywhere with the Salus Premium Lite app. Includes built-in gateway and receiver, rechargeable lithium-ion battery, and wall- or tabletop installation options. Compatible with SR600 relay and SPE600 smart socket, allows you to save energy with temperature limits and remote lock from the app.