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Review on 🐢 Hisophia Ultrasonic Dog Bark Deterrent - Anti Barking Control Device to Stop Barking, Upgraded Mini Bark Control with 50 FT Range by Joshua Martinez

Revainrating 4 out of 5

They require 9 volts

My 3 lb Yorkshireman can ignore him and bark at times but when I raise him to level 3 he is clearly more bothered. A big plus is that my African Grays don't squeak when it's on. A 9-volt battery is required for this. I'll keep trying with my Yorkie, I think he's just trying to see if I give up.

Pros
  • Great for outdoor activities
Cons
  • Reliability