The thermostat, receiver and gateway are pre-paired and ensure a quick and easy installation. Can have complete control over your heating due to the EMBER App. It can control up to 6 zones in a home by adding more thermostats. Compatible with Alexa voice control. Features OpenTherm for maximum efficiency and minimum impact on envrionment. The app allows you to control multiple homes and users. Will help to reduce energy bills. Is programmable allowing for flexible control.