The thermostat automatically synchronizes with all connected devices. Make a change on one, they all update. Any device can connect on your home Wifi network.
The thermostat allows you to adjust settings beyond what a normal thermostat gives you. With adjustable hysteresis values. schedules, vacation mode, and other features to help you reduce energy consumption.
From the app, to housing model, it's all open source, putting the power in your hands. Wan't to add a new feature customized for your home? Go for it! It's built on open platforms from hardware to software.