* Adjustable: User can adjust it for optimum MPG settings.
*Switchable: Convenience Two modes "CITY" or "High Way (hwy)" to choose.
* Double Pole bypass switch for complete isolation when not in use, unlike many units which use only a single pole switch, or no bypass switch at all.
* X2 VR (Variable Resistors) / Potentiometer (Trim Pots): Allow for full rotation and therefore more precise adjustment of the controls.
*Switchable: Convenience Two modes "CITY" or "High Way (hwy)" to choose.
* Double Pole bypass switch for complete isolation when not in use, unlike many units which use only a single pole switch, or no bypass switch at all.
* X2 VR (Variable Resistors) / Potentiometer (Trim Pots): Allow for full rotation and therefore more precise adjustment of the controls.