*ATTENTION: This device is NOT a power supply/Ignitor unit. (No voltage output itself but passing voltage from your fireplace thermopile for safety reason). Please connect it with power source or circuit in series if using it as a switch. Durablow battery powered R.F. + LCD screen transmitter and receiver kits give wireless remote control to a gas heating appliance such as gas fireplace. Childproof safety lock available. The temperature range is from 45â?? (7â??) to 99â?? (37â??). Thermostat feature in transmitter turns ON/OFF when room temperature changes. It also operates the fireplace with the room temperature swings 1 °F 2 °F or 3 °F. Timer feature operates at options of 15 minutes Min. to 9 hours Max.. Receiver with LEARN function snap-on wall plate and 18-inch wires with connectors to gas MILLIVOLT valve or electric spark ignition module. Receiver box dimension: 2.6'x2.4'x1.54'....