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Review title: Excellent way to confuse your dog!
Product review: I was so excited to try this out with our 4 year old chihuahua.. he barks whenever he hears a car drive by basically, and even though we're on a cul de sac, it happens enough that it gets to be annoying. I opened this item and plugged in the 9V battery. Within a few minutes of putting the battery in, my dog got startled and started looking all over the room, I looked at the device and the red light was illuminated, meaning that it was sounding off the ultrasonic waves.. the only problem is my dog wasn't barking! This device can't differentiate from the sound of my TV speakers and the only thing we got out of it was a scared dog who ran upstairs under the bed for an hour after this thing failed to perform as promised. Save your time and don't bother with this purchase!
