This Bosch Starter Kit provides an all-in-one solution to climate control in your home. Combining two Radiator Thermostats, a Door/Window Contact, and Smart Home Controller, the kit ensures optimal levels of comfort while helping to ensure that you don't waste energy. The thermostat adjusts the temperature of rooms based on doors and windows being opened, with the Door/Window Contact sending alerts to your smartphone to help keep you fully informed about changes at home, even when you're not, for added security. Features and benefits 3-in-1 Starter Kit - With 3 Smart Home devices included, this kit is the perfect introduction to the world of connected living. Energy Saving -Saves on your bills while providing optimal comfort at home. Secure - Purchase with the peace of mind that your data is only available to you. No Subscription - No need to pay subscription fees, just purchase the kit and all its features are readily available Smartphone Operated- Allows you to monitor and control y