inputs.text: distance marker lines mounted horizontal surface - lines nowhere description say distance lines built also mount horizontally something horizontal1 specifically searching rearview camera without distance markers anyone make thing bought three different rearview cameras three different sellers time amazon came day crappy manuals meaning one tiny page bad english lots chinese not helpful stupid distance markers not want description says nothing distance markers2 mounted horizontally bottom horizontal surface wtf bought rv duh vertical back wall simply not work would fabricated separate 90 degree mounting bracket mount camera well since dont want stupid lines wont application anyway want fulltime rear view camera not one simply rare occurrence backing upi frustrated mad dang crappy rearview cameras sending back including onedoes anyone sell rearview camera without stupid linesand anyone sell one mount vertical surfacenot happy returning description online said nothing lines screwed stupid backwards mounting technique