The FieldTrainer 425S takes probably the most advanced, industry-leading technology that SportDOG Brand has ever built into its e-collars and packaged it up in probably the most compact system ever offered. Designed in particular for stubborn dogs, the SD-425S has a higher range of stimulation than the SD-425. Ideal for training within the yard or field, or for hunting with close-working dogs, the SD-425S means that you can switch in an instant between 7 levels of medium/high static stimulation, in addition to train with vibration and tone.
500 yard range
7 in an instant selectable levels of static stimulation in medium/high ranges; Way to train with vibration and tone
Expandable as much as 3 dogs with purchase of extra SDR-AS Add-A-Dog Collars
DryTek water resistant and submersible to 25 feet
Rechargeable lithium-ion batteries last 50 – 70 hours per charge
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