Acumen RCK-K Timer/Thermostat Fireplace Remote Control  combines thermostatic and timer functions for gas heating fireplaces with a simple click of a button. The remote control transmitter operates on (3) 1.5V AAA batteries that uses 6 buttons (MANUAL ON-OFF/AUTO ON-OFF/CLOCK/TIMER/UP/DOWN) to communicate with a wireless receiver that operates on (4) AA batteries.  Features: Convenient Design –   The battery powered R.F. transmitter and receiver give wireless remote control to a gas fireplace Easy to Use –   User-friendly 6-Button (MANUAL ON-OFF/AUTO ON-OFF/CLOCK/TIMER/UP/DOWN) remote control transmitter provides simple controls of a connected fireplace Easy to Read –   Clear LCD screen displays room temperature in degrees Fahrenheit and Celsius, 24-hour time clock, and countdown timer Timer Functionality –   The time r  feature allows the user to set a desired amount of time the fireplace will operate, from 1-120 minutes Thermostat Functionality –   The thermostat feature operates the fireplace whenever the room temperature swings 2 °F to 3 °F above or below the set temperature Durable Design –   Metal heat protective shield with insula