@SDHNTR They do. They have an auto on/off when placed on or removed from the dock, or you can manually turn them on/off with a push button on the unit.
This is exactly the point I was trying to make earlier. And it was in response to the folks who say they carry specifically for snakes. I fully agree that there are other reasons to carry besides grizzlies, but in my mind, snakes ain’t one of them.