I have two Humminbird 859 units for sale. One is 2D only and the other is DI. Both are almost one year old and in very good condition. Both have under 400 hours. 859ci HD DI $420.00 TYD comes with all the pieces including box. 859ci HD $325 TYD comes with all the pieces except the Cable Management 740144-1 harness, about $20 from Humminbird.