Perfect For Aftermarket Gauges Converts Signal To 8,000 or 16,000ppm Small & Light Weight Which Can Be Hidden Almost Anywhere! Made In The USA Converts any speed signal to a 16,000ppm or 8,000ppm signal. Includes an additional 8,000ppm output signal for cruise controls. Set speedometer using a pushbutton instead of rocker switches. Calibrate speedometer by marked mile method or on the fly with the real-time method. Provides a filtered +12V power source for 16 pulse generators which helps eliminate some types of interference. Pushbutton is removable. You no longer need to have a button cluttering your dash after calibrating your speedometer.