Airmar DST810 Plastic Smart Sensor 235kHz - NMEA 2000 - Bluetooth [DST810-PV-N2]DST810 Plastic Smart Sensor 235kHz NMEA 2000 Bluetooth Depth, Speed Through Water, Water Temperature, Boat Attitude For a product to be considered a breakthrough, it has to vastly change conventional behavior and enhance abilities. The DST810 Smart Multisensor, featuring the new Gen2 paddlewheel together with Airmar's CAST App, is the convergence of advanced hull data, matched with a simple and reliable way to calibrate accurate speed via a wireless