inputs.text: wow - unit upgrade gen 1 units amazed jump technology processor faster touch screen joyjust like s3 screen tend smudge continued use couple rubs included cleaning cloth trick although functions almost identical gen 2 units touch screen add time saving features comes handy trying stay fish fight wind gripe would jump cost not amazons lowrances units pricey due pricing would suggest take look one operation mode purchasing help make sure get right size unit another great addition gen 2 touch units built structure scan moduleno additional black box needed make sure model buy lss2 transducer included