3-3/8" (85MM) OceanLinkA(R) NMEA 2000A(R) Tachometer - 7000 RPM - White Dial & BezelThe OceanLinkA(R) Tachometer automatically presents all the key data ranging from oil pressure and fuel consumption to operating hours - on a generously proportioned inverted dot matrix digital display. Besides a CAN interface with NMEA 2000A(R) certified and SAE J1939 data protocol it features two inputs for analog sensors. The innovative EasyLink data connection makes the installation easy and cost effective. Satellite instruments for further dynamic measurement values receive updates from the central instrument every 20 msecOcean Link Technical Information: 1x NMEA 2000A(R) input 1x J1939 and analog input Reverse polarity protection Protection rating IPX5 Operating temperature range -20 AdegC / +70 AdegC 12/24V WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Gauge Type: Tachometer w/System Check Voltage - Input Range (Volts): 12/24v Gauge Size: 3-3/8" Box Set: No Series: OceanLink Box Dimensions: 4"H x 8"W x 8"L WT: 0.85 lbs UPC: 7640178720992