Use in your Truck/RV Sleeper Cab - 12V Single Control
* Reduce Idle Time * Save Fuel and Engine Wear * Fight Rising Fuel Costs * Sleep Warm * Wake Up Relaxed * Automatic Comfort Control Increases Heat As Cab Cools * No Noise, Vibration, Or Fumes Without Engine Running * Highly Efficient - Very Low Amp Draw (Less Than 10)