Ambient On/Off Fireplace Remote Control (RCB) Battery operated fireplace remote control for millivolt gas valves Remote control transmitter features standard On & Off buttons Transmitter operates on (3) AAA batteries, receiver box operates on (2) AA batteries Receiver connects to any standard millivolt gas valve system, 20-foot range Includes transmitter, receiver box, wall plate, wall clip, screws, 18-inch wires, batteries, velcro, and instruction manual