The tried and true Dogtra 2300 Expandable e-collar is the multipurpose e-collar built for all walks of dog training and a favorite among the police K9 crowd. The Dogtra 2300 Expandable is designed for advanced level pet training, competition training, Police K-9 work, or any types of hunting, where a high output 3/4-mile range unit is needed. The 2300 Expandable e-collar comes with a durable receiver that outputs Low-High stimulation from 1-127 levels for precise and gradual control, using a patented Rheostat Intensity Dial with LCD display on the handheld transmitter. The 2-Dog Expandability and intuitively placed buttons for Nick and Constant stimulation and Pager Vibration lets you simultaneously control up to 2 dogs in training, making the 2300 Expandable the perfect training gear for mild or stubborn dogs.
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