PetSpy Dog Barking Control Devices N10 - Ultrasonic Dog Bark Deterrent for Indoor & Outdoor with 16.4 Feet Range - Puppy & Dog Trainer with 2 Frequency Modes & Training Cards sold2024 perfectly fits up to 20

perfectly fits up to 20 stand poker-size playing cards at a time

helping keep joints cushioned and lubricated during activities that may put stress on them

you won't believe your EYES

Includes cotton wash bag

faster nail growth

PetSpy Dog Barking Control Devices N10 - Ultrasonic Dog Bark Deterrent for Indoor & Outdoor with 16.4 Feet Range - Puppy & Dog Trainer with 2 Frequency Modes & Training Cards sold2024 perfectly fits up to 20PetSpy Dog Barking Control Devices N10 Ultrasonic Dog Bark Deterrent for Indoor & Outdoor with 16. 4 Feet Range Puppy & Dog Trainer with 2 Frequency Modes & Training Cards Product Information Dog Silencer & Dog Trainer This dog behavior correction device helps with dog training & behavior aids. It has Sound and 2 Ultrasonic modes with a frequency of 22 25 kHz thats hard for humans to hear. Its like an electronic dog whistle. Effective Dog barking