The Sangamo Choice RSTAT1 Mechanical Dial Room Thermostat is a 2-wire, square-shaped white thermostat made of plastic, suitable for central heating radiators. With a voltage of 230V and a non-programmable control style, this thermostat is ideal for surface-mounted installation in rooms. Manufactured in the United Kingdom by the brand Sangamo, this room thermostat provides accurate temperature control for a comfortable living space.