Product Description: TrollMaster TM206DPRO Trollmaster Pro, Yamaha TrollMaster is compatible with any remote steering attachments currently on the market and are saltwater compatible with the exclusive use of aluminum and stainless steel components. You can adjust your boat to the exact speed need. Once you find the correct speed, you can switch the selector to "Idle" without moving the control knob. When you switch back to "Run", the TrollMaster memory will automatically return to the precise trolling speed you chose before. This allows you to quickly switch your unit to idle when you hook up and return to exactly the same speed needed to catch more fish!TrollMaster Pro throttle and steering controls allow you to control your gas powered trolling motor with precision you would never have believed possible. Easy to install, these units do not interfere with the normal operation of the throttle or steering. All components fit neatly under the cowling and require only a small amount of 12 volt power. TrollMaster Pro units require less than 2 amps @12VDC and are microprocessor controlled for greater accuracy & reliability. Attractive, functional flat panel control with touch-button switches provides throttle and/or steering control of your trolling motor from anywhere in the boat. Allows the operator to control his boat speed with a dial that aids in recreating exact speeds with the idle function.