3 Different Sound Waves: Three different sound waves to avoid dogs getting used to a simple sound wave. Kozart dog training tools can emit ultrasonic sounds with 3 different kinds of sound waves: stable frequency undulating frequency and irregular frequency sound waves.
Portable Size and Rechargeable: This anti barking device features an adjustable anti-static wristband that fits perfectly in your hands. Stop barking dog device is rechargeable(with a standard USB included in the box). This dog bark deterrent USB rechargeable 300 mah battery full charge in 1 to 2 hours for about 12 days of regular use saves you endless hassle.
