I caught the Caldwell system on sale, and it was cheap enough for me to roll the dice on it. I actually like it. I’m not really that impressed with the secondary features on the app, but in using it solely as a means to chart impacts downrange, I’ve been pleased with it. I’ve only taken it out to 800 yds so far, but it seemed to handle that without a grunt. Video quality is good and it’s fairly easy to setup. It has a tendency to lose connection from time to time, but hell, shooting a WiFi signal at those distances isn’t easy. I’m fairly decent with computers and I can’t even figure out how to get WiFi to my back bedroom, so ......