Originally Posted by Arjen

I use the smaller 3.5 inch version for a couple of years now. I changed the firmware to IGO8. It has a fix much faster then my Garmin car or outdoor GPS. The only downside is its battery life. Only 2.5 hours. But that isn't a problem for my because it's always on the bike so the battery is always powered by the bike. The screen could have benefited from some more contrast.