RCU-3 Remote ControlFeatures: Stay in command of the Raymarine e7 Multifunction Navigation Display without letting go of the wheel The Raymarine RCU-3 Steering Wheel Remote gives you simple access to frequently used functions while underway Change range scales, control your music, switch between apps, and even mark a waypoint, it's all possible with the wireless RCU-3 remote If you don't need the RCU-3 on your wheel, it can also be attached to the supplied lanyard and transform the RCU-3 into a convenient handheld remote control for the e7 Display Bluetooth wireless technology makes configuring the RCU-3 remote easy Gives wireless control of the e7 Display from up to 15 feet away