Used to secure the battery in the receiver.
The 5 adjustable settings include a vibration setting, 3 stimulation settings and a Progressive setting that begins with Vibration and gradually progresses from Low to High if the dog continues to pull.
When the dog pulls, the level of the vibration or stimulation (for that setting) gradually increases. When the dog stops pulling, the SideWalker resets to the lowest level for that setting.
The long-lasting, easy-to-recharge battery typically stays charged for several days.
Lets you know when it is time to recharge.
Because dogs will be dogs.