These were super easy to set up, turn on, and get activated. I didn't like that the directions don't explicitly explain how to turn off the shock feature, but after I figured it out I was happy. Our house is much quieter already and the dogs respond to only the beep!! I will update if needed, we just started using these 3 days ago and they are on 12 hours a day, turned off at night, and it appears the batteries are keeping up!