The FieldTrainer® 425 takes some of the most advanced, industry-leading technology that SportDOG™ Brand has ever built into its e-collars and packaged it up in the most compact system ever offered. Switch instantly between stimulation, vibration and tone to fit the correction or communication to your dog’s temperament and learning ability. This new 425 Model is an upgraded replacement for the FieldTrainer 400.

Visible Part #s:
Transmitter: FT-125 / SDT00-13857
Receiver: SR-225 / SDT00-13858

Model Numbers

SD-425 | SDR-AF | SDT54-13889 | SDT00-13858 | SDT00-13857 | FT-125 | SR-225 | SD-425S | SD-425CAMO | SDR-AS | SDT00-13861 | SR-225S | SDR-AC | SDT00-13890 | SDT00-13859 | SDT00-13860 | FT-125W | SR-225W

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