I have 15 of these, each order is for one unit The tado° Add-on: Smart Radiator Thermostat Universal Mounting - Single Pack is a white polycarbonate product designed for easy installation and universal compatibility with tado° devices, such as the AA and Bridge models. This smart radiator thermostat allows for convenient control of heating in your home, providing a sleek and modern addition to your space. These are used but come in a generic Tado branded box with all adaptors Batteries not included (needs 2xAA) Fully working Vertical model