The Hive Active Heating V3 Smart Thermostat is a sleek square-shaped device that can be wall-mounted or surface-mounted in your home. It is powered by batteries and has a voltage of 230V, providing automatic system switching and frost protection. This programmable thermostat from Hive is designed to work seamlessly with the Hive Hub, allowing for easy control and monitoring of your heating system. Made from durable plastic, this smart thermostat is a must-have for those looking to optimize their energy usage and create a comfortable home environment.