Garmin, I have 3 and they work great, I think the price has gone up, just like everything else has. They have a vibration mode, and an automatic mode will get a sharper jolt if they continue to bark, and a numbered mode up to number 7. Higher the number the stronger the intensity. JMHOLooking for suggestions on the best battery operated barking collars?
If you shock em when they're pissed, it just amps it even higher IMOMy daughter's dog was carrying on every night for a week. So I put a collar on the dog. That night I woke up to an aggressive bark. With a smile on my face, I gave that dog the juice. In the morning my girls were horrified to find a dead opossum in the kennel. I have know idea how that opossum got in there. Or how that little dog won the fight with me shocking her during the battle. She's been quiet ever since