The FieldTrainer 425S takes 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. Designed specifically for tougher, more stubborn dogs, it is ideal for training in the yard, field, or for hunting with close-working dogs. Switch instantly between stimulation, vibration, and tone to fit the correction or communication to your dog's temperament and learning ability. This new 425S Model is an upgraded replacement for the FieldTrainer 400S.

Specifications and Features:
3/4 mile range (500 Yards)
Compact (3.1 oz.) transmitter
Up to 16 stimulus levels
Choice of continuous or momentary stimulation
User can select from 8 levels each within a low, medium or high setting on the compact receiver
Vibration & tone options for long-distance communication
Ergonomic, slim profile collar design
DryTek waterproof design technology
Expands to 3 dogs (SDR-A Add-A-Dog)
Docking station charges system in 2 hours

Includes:
Remote Transmitter
Collar Receiver
Lanyard
Basic Training Manual & DVD
Operating Guide
Charging Adaptor
Test Light