SportDog SD-425S Stubborn Dog Trainer With DRY TEK waterproof, 500 Yard Range

Industry Leading Technology Compact Design. The SportDog SD-425S Field Trainer offers all the features of the SD-425, but is designed for tougher, more stubborn dogs. Ideal for training in the yard, field, or for hunting with dogs that hunt close. The FieldTrainer 425S takes the most advanced, industry-leading technology and packaged it in the most compact system ever offered. Both the transmitter and receiver are 100% DryTek waterproof and submersible. The SportDOG 425S can be expanded to control up to 3 dogs by adding the SportDOG Add-A-Dog Collar (SDR-AS), and has a 500 yard range. It has 7 Instantly Selectable Stimulation Levels and has Tone or Vibration Option available. Switch instantly between stimulation, vibration, and tone to fit the correction or communication to your dogs temperament and learning ability. SportDog Field Trainer 425S Collar: Smaller, more ergonomic collar-receiver design, Weight: 3.3 ounces with collar, Receiver Dimensions: 2.5' x 1.5' x 1.25'. Interna