Sierra 781-627-035P Black Premier Pro Series SpeedometerFeatures:Dial Range: 0-35 MPHSize: 3″Included LCD heading display to show course over groundUse our GPS antenna (sold sep) or connect to an existing NMEA 0183 GPS device – connectors includedSpeed accuracy of +/-1 MPH (once moving)Heading accuracy of +/-1 degree (once moving)Ideal for slow speed apps like pontoon boats and for high speed performance boats w/ pitot tubesFull automotive type lighting, no ”halo” around dial edges.When lit, white dial grads become red, pointer lights whiteBlack dial, white graduations/numerals (metrics in blue), white pointer staffScratch resistant curved glass lenses, with black, near-flush bezelsOptional add-on eyebrow or square bezels available (See Gauge Accessories for details)Fog-Resistan Design! Complies with SAE J-1810Voltage: 12 VDCCurrent Draw: 0.15 – 0.20 AOperating Temperature: -40C to +70CIngress Protection: IP65Bezel O.D.: 3.78Housing O.D.: 3.39Hole Size: 3.4