The ET10 Series is a line of standalone LCD fan coil thermostats for cooling, heating, or heating/cooling applications. The thermostats consist of a display control unit and a power supply unit. Models are available for 2-wire, 3-wire, or 0-10V valve control. The thermostats provide precision temperature control and can be surface mounted or installed in an electrical box. They feature an LCD display, rotary dial, and buttons to control temperature and fan speed settings.