Upgrade your marine gear with the Raymarine ST800/P120 Thru-Hull Speed Transducer. Provides speed and temperature data digitally, in analogue or NMEA 2000® formats. Options include plastic P120, bronze B120, and stainless steel SS120 housings.

Low-profile design minimizes drag, only 5 mm outside the hull. Features self-closing valve, 57 mm usable shaft length, and operates on 5-25 VDC. Speed range from 2 to 45 knots (2 to 52 MPH).