Programmable with any sending unit that sends 3,000 - 90,000 pulses per minute Gauge bezel measures 1-7/8" in diameter Overall length is approximately 2" L Feature a 12V LED backlit display Digital odometer and dual trip meters Indicators for high beam, neutral, oil pressure and turn signals Remote single-button switch allows easy changing between odometer and trip meter Color-coded wires and detailed wiring instructions Includes chrome mounting clamp for installation on 7/8" to 1-1/4" diameter tubing Mileage cannot be reset on speedometers. SPEEDO W/4LTS MPH BLK/WHT