Helix ice conversion kit.It works with CHIRP models 7,8,9,& 10.Take your unit and use it as a flasher,down imaging or split screen.You can use your lakemaster chip to locate drop offs and depth contours.Use your saved waypoints.It comes with a transducer,power switch,multiple 1/4"-20 mounting options,two rod holders and a battery cover.It doesn't come with a battery.This kit is brand new never used,I bought it with the intent of using it.Then humminbird came out with mega live 2,that dropped the mega live one to an unbelievable price.I paid $450 for this unit yours for$250 or best offer I take the loss.