GoPro Hero 2 motorsports and this Backpack

I was faced with the choice between the LCD Backpack and the WiFi Backpack and have decided on the WiFi because I attach the camera partially outside the vehicle and not feel like I always run out to activate it.
Excellent functionality, am very satisfied with what the product does, a little disappointed I am about the service of GoPro regarding the app (hence only 4 stars), but I am confident that the coming to an end and I also the iPhone can see everything and therefore would then also the LCD Back Back absolutely unnecessary. The battery runtime of the backpack is okay, not too long, for my needs, however, fully sufficient, the remote control inspires me, because I have the feeling that you need rarely invite. If the app then also the promises which GoPro says the fifth star is no obstacle.