Review on 🐶 Extreme Consumer Products Remote Control Dog Shock Collar - 9 Levels Correction, Vibration, Tone Only - Rechargeable & Waterproof - For Small to Big Dogs by Lisa Golden

I have a VERY stubborn dog who is as tough as a wolf! I bought her an extreme dog fence but she would still walk and is so smart she quickly figured out how to get the collar done in time for her to escape our 1.5 acres without any repairs (I think some Dogs don't want no restrictions). type of border and amount of land is not large enough). After 3-4 corrections with it, she ponders for a long time whether she can get too close to the boundary lines without a collar. We were fined over $300 for his escape (even after we bought the fence) so this collar helped a lot!