Raymarine T121 Hull Transmitter [T121] Electrical | Charger/Inverter Combos have internal structures

have internal structures

durability and boat protection

All stainless steel mounting hardware

Ultra smooth motor uses less amps - Free-fall does not need battery power so it preserves your battery

The galvanized coating is very thin (0

Raymarine T121 Hull Transmitter [T121] Electrical | Charger/Inverter Combos have internal structuresRaymarine T121 Hull Transmitter *For multi hulls, advanced Micronet technology allows your displays to use wind direction to automatically determine which hull transducer supplies the information you need. No switches required. *Note: you need two hull transmitters for this configuration. Quick Guide (pdf) Owner's Manual (pdf)