The Honeywell T3R Wireless Programmable Thermostat is a sleek and efficient device designed for central heating radiators. It features a battery size of AA and a 7-day programmable schedule, making it convenient for users to control their heating system. With a wireless configuration and smart home compatibility, this thermostat offers flexibility and ease of use. Its control style includes push button and digital options, with a display size of 2.76 inches. The thermostat also has frost protection features and can be mounted on the wall or floor. Made of durable plastic and with a voltage of 230V, the Honeywell T3R is a reliable choice for efficient heating control.