There seems to be two VZ-STEALTH zoom controllers, but with a mere $30 difference. Does anyone know what the functional difference is, if any?

For reference:

http://www.bhphotovideo.com/bnh/controller/home?O=WishList.jsp&A=details&Q=&sku=240135&is=REG

http://www.bhphotovideo.com/bnh/controller/home?O=WishList.jsp&A=details&Q=&sku=279113&is=REG

It appears that the 2nd one will a;so control the VTR on your camera. I might be wrong but that's what it looks like.
Don