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Review title: Ineffective
Product review: We have two small, 1 year old dogs, and have been getting complaints from a neighbor. Desparate to get them to stop annoying other people, we purchased this indoor unit and one of the outdoor units. These devices got their attention, but had little or no affect on their barking. Now we've hired an in home trainer, which has helped with their barking and several other issues. Skip the devices; go for the training.
