Not sure why they would be the way to go...........if the ecollar is under the neck, the light is about useless.
Look at the other lighted collars or lighted attachments on the market -- all of them share one common thing..........the light is not on the bottom of the neck like Tri-Tronics version.
I have had the collars that have turned under the neck and the light attachment did not work as well...........this would be the same thing.
The only thing I see I like about Tri-Tronics version is being able to turn the tracer light on/off remotely..........My understanding for that to work, the ecollar must be on.
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