The Hive Active Heating Wireless Programmable Touch Screen Thermostat V3 SLT3c is a white square-shaped thermostat designed for central heating radiators. It is compatible with Hive and Apple devices, featuring a 7-day programmable schedule and wireless configuration for easy installation in any room. With features like touch screen control, frost protection, and automatic system switching, this thermostat offers convenient and energy-efficient heating management for your home. Made of plastic and powered by AA batteries, this thermostat from Hive is a practical choice for controlling your home heating system.