RF Wireless ThermostatRemotely Switch on a Fan or a Heater with the RF Wireless Thermostat This RF Wireless Thermostat is comprised of a wireless remote sensor unit that controls a separate plugin switch module. The unit can be set to switch on an electrical appliance when the temperature goes above or below the user set level. The sensor unit wirelessly turns the plugin switch on allowing power through to whatever is plugged into the front of it. For example, this system