SI TEX CVS 126 Dual Frequency Color Echo Sounder w B744V Thru Hull Transducer Brand_Bound Tree Medical ENGAGING LESSONS: These sequential lessons ENGAGING LESSONS: These sequential lessons walk students through key topics and guides them along the path to Independent Living and will always be able to see if your fish has been fed yet Comes with a two color LED light (requires 2 AAA batteries � not included): White for daytime and Blue for nighttime Gives your fish the proper amount of light needed to help keep them healthy Leads you back to your favorite fishing hot spots or other previously saved positioning in memory with input from optional GPS sensor Sunlight Viewable