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Amazon.com: SportDOG Brand FieldTrainer 425X Remote Trainer - Rechargeable Dog Training Collar with Shock, Vibrate, and Tone - 500 Yard Range - SD-425X
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Amazon.com: SportDOG SD-425X Electric Training Dog Shock Collar with Remote for Small, Medium, and Large Dogs - 500 Yard Range, Vibration, Tone, Up to 21 Stimulation Levels, Waterproof, Rechargeable E-Collar : Pet
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