Procter Pest-Stop Bark Trainer
This battery-operated device uses ultrasound to teach your dog not to bark.
A sensor detects whenever the dog barks, and the Bark Trainer then emits a series of ultrasonic whistles, only audible to the dog.
· Adjust the unit to react only to your dog’s barking
· Simple to use, and harmless to your pet
· No harmful chemicals or pesticides
· Battery operated (3 x LR44, supplied) Average battery-life 30-50 days
E PCBARK