Honeywell Lyric T6R Smart Thermostat works with Apple HomeKit and Amazon Alexa
The Honeywell T6R (Lyric) has been developed to meet the demand for smarter, connected controls offering customers a host of features to fit their lifestyle The T6R features a choice of schedule settings to fit your lifestyle, including 7 day, 5/2 day and single day scheduling with up to 6 different time settings per day.
Wireless programmable thermostat supporting easy installation.
Wi-Fi-enabled connectivity offers direct connection to the customer’s home Network without additional equipment
Control via smartphone/tablet gives customers complete control of their heating system wherever they are
Works with any boiler and application, offering integration into almost every heating system.
Controls on/off (230V) boilers, Opentherm boilers and heating systems, using TPI or modulating control, delivering superior energy efficiency without user interaction.
Can be used as a temperature sensing device in an s or y plan system .
Easy integration into existing heating systems

Simple touch-screen interface. 
The T6R touch-screen makes scheduling, changing and overriding temperatures easy with a large, clear display and intuitive on-screen text guidance.