ShakeTrainer. Onkey.  Klein brands. Complete with  shaker, user guide and instructional DVD.  unit shows some signs of "very light wear"

  Pre-owned in good condition.

It’s the proven way to stop any of your dog’s unwanted behaviors for good. Handheld and easy to use, shakeTrainer doesn’t shock, spray, or emit ultrasonic sounds that are harmful to your dog. You’ll get results in seven minutes or less… guaranteed. Includes: