Lowrance  LWX-1 Sirius Weather Module Compatible With All Hds Chartplotter-Equipped Models Via Ethernet For Weather Display With Complete Control Attractive, Compact & Weatherproof Antenna Design For Easy Flush-Mounting To Boat Deck, With Pedestal- Or Pole-Mounting Versatility Plug-&-Play Ethernet Connection Outputs Weather To 1 Or More Hds Displays With 3.5Mm Stereo Audio Jack Interfaces To Onboard Sound System Internal Memory Saves Last Weather/Environmental Data Up To 30 Min During Power Interruption Or Power Off During Refueling Current & Historical Nowrad(R) Animated Weather Radar Data, Including Lightning, Overlays Charts In High-Detail, Including All Optional Navionics(R) Choices