Garmin 220 with 2 dc 30 collars. one collar works prefect the other off and on. I think it's a battery... Easy fix. The system I prefect.All buttons work. I'm goin to 320 and dc 40s and thinkin bout 50s so ain't using it like it needs to be! Text or call me at 903-590-0258. Don't check!
Hershey0020@gmail.com Arp tx