Ultrasonic Dog Bark Control Trainer Device with LED Light Color:B Q: Does this folding aluminum

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Ultrasonic Dog Bark Control Trainer Device with LED Light Color:B Q: Does this folding aluminumTrain Your Dog Effectively with Ultrasonic Technology The Ultrasonic Dog Bark Control Trainer is a safe, humane, and easy to use device designed to help you manage unwanted barking and reinforce positive behavior. Emitting high frequency ultrasonic sound waves that only dogs can detect completely inaudible to human ears this trainer gently discourages excessive barking without causing harm. The built in LED light adds a visual cue that further