NOTE- This does require training! But honestly I feel that's part of what keeps you engaged with your dog- which you should want to be doing anyways! If you watch the video it shows how important the sensor in the front is as my dog lunged straight for the launching port (that could be a bad injury without that safety feature!) If you have the patience to take a little time to train your dog (which as you can see in the video we are working on and she is starting to understand she needs to wait off to the side of the machine) this product is so worth it! My Boxer can be a bit jumpy around different noises, but with some training she now reacts to the noises in anticipation!
MAKE SURE YOU READ THE DIRECTIONS THOROUGHLY! This is not something you can just pick up and know what you're doing. It is not by any means complicated, but it is important to really understand how the machine works. I've seen a few reviews on here that even I could have fixed their issue just by reading the directions--and I'm not a product expert!
All in all I say this machine is awesome. The fact that you can adjust the settings, use any size tennis ball, and has it has VERY necessary safety features (unlike some of the other ball launchers on the market) makes it by far the best Ball Launcher out there. I did buy mine from from PetSafe's website, but I came on here to purchase one for a friend!