| http://www.w3.org/ns/prov#value | - Below is a comparison between the original PIF collars and this new one:Pros:- Lighter weight- Low battery indicator- Multiple correction levels- Easy to change the battery- Better range*Cons:- Uses a proprietary battery that I can not just go pick up at any store like I can the old collar (only a problem if you do not have a major pet store nearby-- which I don't).- More features, easily removable b
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