3-3/8" (85MM) OceanLink® NMEA 2000® Tachometer - 3000 RPM - Black Dial & BezelThe OceanLink® 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 2000® 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 seconds.Features:1x NMEA 2000® input1x J1939 and analog inputReverse polarity protectionProtection rating IPX5Operating temperature range -20 °C / +70 °C12/24VWARNING: 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.