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Amazon.com : Bousnic Dog Shock Collar 2 Dogs (5-120Lbs) - 3300 ft Waterproof Training Collar for Dogs Large Medium Small with Rechargeable Remote, Beep (1-8) Vibration (1-16) and Humane Shock (1-99) Modes : Pet Supplies
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Amazon.com : PUPKIDS Dog Shock Collar with Remote 2 Pack - 4000ft 108 Levels Dog Training Collar, E-Collar with 3 Training Modes for Large Medium Small Dogs Rechargeable Waterproof Electric Collars(10-120lbs) : Pet Supplies
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