Ultrasonic Dog Bark Control Device – Portable & Rechargeable

This device uses ultrasonic sound and light to reduce excessive barking in dogs without physical contact or human shouting.

• The description claims the device reduces excessive barking using high-frequency ultrasonic sound.
• The description claims the sound is audible to dogs but silent to humans.
• The description claims the device combines ultrasonic waves with flashing LED lights for better effectiveness.