Motorola Shock-Free No-Bark Ball with Dual Sonic Technology

by Motorola
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The BARK500U detects your dog’s bark and allows him to bark freely for 5 seconds, then delivers a pulse of ultrasonic sound. This high frequency sound is specially designed to be an annoyance to animals, while above a human’s range of hearing. The BARK500U can be mounted on a wall or manually operated for other problem behaviors, and the magnetic base allows you to easily adjust the direction of the ultrasonic sound. Requires 4 AA alkaline batteries (not included).Box includes ultrasonic bark ball unit, magnetic mounting base and user's guide.


  • Dimensions 4" x 2.8" x 4"

  • Ultrasonic sound deterrent (inaudible to humans)

  • Magnetic base for easy sound direction adjustment

  • 3 levels of ultrasonic correction- low, medium and high

  • Auto bark deterrent only activated by a dog's bark