Description
This RECHARGEABLE AT-216D dog training collar system can be used as 1 DOG or 2 DOG, or even 3 DOG training system. The 1 dog system allows you to train 1 dogs only. This system can be upgraded by adding an additional collar or two extra collars. ★Updated 216D with better quality and appearance. Used as 1-1 remote dog training shock collars (need extra receiver if for 2 or 3 dogs training system) ★Vibration, Beep and 0-7 adjustable level of Shock correction mode. Use electromagnetic induction swi
