SkyTech Mrck (SR-1001) Fireplace Remote Control With Flame Adjustment For Servo Motor Gas Valves On/hi lo/off function control for operating the servo motor valve system All battery operated flame adjustment from off to high with 65,536 security codes Battery powered receiver box with learn function and on/remote/off slider switch Receiver can be installed on the hearth or under the fireplace behind the control access panel Includes transmitter, receiver, cover, wall clip, installation instructions, batteries