The Skytech wireless wall thermostat can be connected to any of our remote ready (millivolt) gas valves or electronic ignition systems. The thermostat features a large LCD screen to display room and set temperature in °F and °C. Can be used to simply turn the fire on and off or set to control the flame thermostatically. No electricity required; operates on batteries. Easy to install by connecting included remote receiver to a millivolt gas valve or electronic ignition control module. 5 year warranty.