After looking at cheap cams with poor ratings and expensive Rv types, l put a fresnel lens on the back window. Helps some. I cut it down so it's only 5" tall and doesn't interfere with distant view out back. 

Dan Lamb
Project lblw: light weight, low bucks:)
> On Jun 24, 2016, at 9:13 AM, Stuart MacMillan <stuartmacm@GMAIL.COM> wrote:
> 
> Seems like the Vanagon could use one. Wireless units are one option, anyone
> installed one of any type?
> 
> 
> 
> Stuart