|Lifestage||Puppy, Adult, Senior||Adult||Puppy, Adult, Senior||Puppy, Adult, Senior||Adult|
|Breed Size||Small Breeds||All Breeds||Small Breeds||Small Breeds||All Breeds|
My 10 year old unit would no longer last the full day. It took less than 15 minutes to replace gasket and battery. Now it's as good as new.
Chewy supplied a hard-to-find item (battery for old model of sportdog training collar) in a couple of days along with replacement instructions and tools!