anti Barking Device for Dogs, Handheld Stop Dog Barking Device with 3 Modes, Ult
🐶【Bark Deterrent Device with 3 Emitters】 This ultrasonic dog barking device boasts 3 ultrasonic emitters – more effective than single-emitter models. It can emit fixed 25 kHz frequency and avariable 20-30 kHz frequency ultrasound waves.