Wholesale Discount, *******The item is for five (5) map sensor Enhancers ******* These are a must have if you are using an HHO Generator Setup. This is the Ultimate HHO add on, allowing you to have full control over your fuel intake. The gas mileage benefits are not seen without this device. This unit will allow you to gain Full Control of your Map Sensor allowing you to lean out your air to fuel mixture to Improve Your Gas Mileage. All wires are clearly labeled for easy installation. (See Pictures) • This enhancer is precision soldered by a certified technician inside and clearly labeled outside. • This particular enhancer allows 270 degrees of tuning radius unlike some of the other models were you only get a small portion to dial in your car • This latest version has two potentiometers so one can be set to city conditions while the other optimized for the highway. • My MAP Sensor Enhancers Cannot Be Beat! Also included is a “Quick Disconnect “ connector allowing you to relocate your controller. You may need to extend these wires to fit your vehicle.