Solar Ultrasonic Bird Repeller PIR Motion Garden Deterrent Scarer Pest Fox Dog. Static shock is always used as a last resort or not. -Stop barker size approx: 6.5 x 4.0 x 2.5cm (LxWxH). -[New bark stopper]: this dog training collar can automatically to correct the dog's barking, training, aggression and other behaviors.
eBay