The Hive Thermostat and Receiver Hub is a smartphone-controlled heating system designed for combi boilers. Made of durable plastic, the wireless system features app control, auto system switching, and programmable settings for easy management. With frost protection properties and smart home compatibility with Hive, this thermostat offers convenient and energy-efficient heating control for your home. The package includes batteries for added convenience. Only selling as the receiver was lost during a renovation, only 18 months old