The new DST-800PWF Transom Mount Smart Sensor offers depth, speed and temperature functions in one compact fitting. The DST-800PWF is a NMEA2000 device. The 11 degree beam is able to find bottom even when installed on high deadrise hulls or on sailboats. Features: Airmar"s speed signal processing for stable and high accuracy speed readings from 1-60 MPH Molded Plastic P66 Housing 235 kHz Depth, Speed and Temperature (+/ - 1 degree ) 6-Meter Cable with 5-Pin NMEA2000 Connector