-Great condition 3/4 mile water proof trainer collar, remote, double charger, box, and carrying case.
-Has vibrate, nick, and shock function.
-Adjustable 0-150 level.
-Largest Diameter of collar=8" or 25" circ.
-Smallet Diameter of collar=3" or 9.25" circ
-I experienced great success with a very very stubborn pup. I use the vibrate function 98% of the time. I was able to walk pup off leash after we were acclimated and and commands understood in conjunction with vibrate.