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The SD-425X is the smallest and lightest e-collar built for in-the-field training or hunting with close-working dogs. Consistency and perfect timing are critical to developing your sporting dog, so the remote is quickly and easily operated without having to look at it – which lets you focus on your dog and not your equipment.


  • 500-yard range e collar that can support training 3 dogs with the same remote with purchase of additional collars (SDR AF)
  • Choose to train with vibration (buzz), tone (beep), or 21 levels of static stimulation in either momentary (nick) or continuous
  • Waterproof and submersible to 25 feet using DryTek technology
  • Lithium-ion, rechargeable batteries feature a 2-hour quick charge, and a low battery indicator lets you know when to charge
  • Fits dogs 8 pounds or larger with neck sizes 5 to 22 inches


  • Brand: SportDog Brand
  • Item Weight: 1.76 Oz
  • Dimensions: ‎2.6 x 1.2 x 1.3 Inches
  • Range: 500 Yards
  • Battery Type: Rechargeable Lithium-Ion Batteries
  • Age Range Description: All stages
Weight 1 lbs