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Amazon.com : Dogtra YS300 Rechargeable Waterproof Compact No Bark Collar : Barking Deterrent Collars : Pet Supplies
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Amazon.com : HQRP Battery Compatible with Dogtra 1600 Series, 1600NCP, 1602NCP, T&B Remote Controlled Dog Training Collar Transmitter : Pet Training Collars : Pet Supplies
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