tado Starter Kit Wired Smart Thermostat V3+ (Black Edition)

Heat control from the app, wherever you are. You can see your activity and energy savings at any time. Replaces thermostats with pre-wired connection to the hot water tank. Works with hot water cylinders from most manufacturers. Easy to install yourself using the step-by-step instructions in the app. With Smart Schedules, Geofencing, Open Window Detection and other smart features, you can save up to 28% energy. Smart home integration and voice control with Amazon Alexa, Apple HomeKit and Google Assistant. Available in black or white. Auto-Assist: optional feature for fully automated temperature control via Geofencing and Open Window Detection instead of push notification reminders (without Auto-Assist). Additional Care & Protect feature and detailed information on monthly energy consumption and monthly costs (in app, £2.99/month, £24.99/year, cancel at any time).