No stars, can not recommend.Collar was decent for a little while, but shortly after the return window closed, the collar came on very dimly and would not fully turn on or off.
I was always diligent about closing the charge port with the included stopper, but I still suspect water damage from it being a snowy day.I've tried fully charging it, as well as fully discharging it and then recharging it, but it's fully unresponsive now. Waste of money and my dog is unsafe while I wait for an alternativSee full review