Modern & Smart Home Integration - Compatible with Apple HomeKit, Google Home, and Amazon Alexa. Control your smart central heating controller from anywhere using voice commands or smartphone apps. Effortless Voice Control - Use this Alexa thermostat to adjust temperature, set schedules, and manage energy usage hands-free. Seamlessly integrates with the Honeywell Home app to schedule and synchronise wherever you are. Geofencing Technology – Automatically adjusts the temperature based on your location, saving energy when you're away and ensuring optimal comfort when you return. It enhances both efficiency and convenience, with the option to manually override settings whenever needed. Versatile Compatibility - Works with 24-230V on/off and OpenTherm(R) appliances, including gas boilers, combi-boilers, heat pumps, and zone valves (not compatible with electric heating). Easy installation with a frost protection at a minimum of 5°C to prevent pipes from freezing. Customisable Scheduling – Program up to 6 daily temperature setpoints and adjust heating to your routine with flexible 7-day, 5+2 day, or single day options. The high-contrast LCD with backlighting and adjustable brightness ensures easy viewing in any light.