Review on Rechargeable Adjustable Sensitivity Intensity Vibration Dogs : Training & Behavior Aids by Eden Smith

I ordered 3 of these, two for our dogs and one for a frequent dog (and she barks great!) Love that you can remove the tines when not using the shock setting! The vibrobox is placed around their neck and when they bark it emits a warning sound and then begins to vibrate. That is amazing! It's not sensitive enough to trigger every sound, or even when my noisy kids are near them, but only when they bark! But that beep/vibration is definitely effective! The battery lasts for several days which is nice, I always know when I need to charge it because they're barking at something again. Definitely recommend buying this collar if you have a barker!