E-Collar ET-302 2 Dog Mini Educator 1/2 Mile Remote Dog TrainerThe ET 302 Mini Educator is the 2 Dog version of the ET 300, and like its 1 Dog counterpart, the ET 302 employs our proprietary blunt stimulation making it the most humane and effective e collar dog trainer available. Loaded with unique features, including lock and set stimulation levels from 1 to 100, and the ability to set a boost level from 1 to 60, independently for each dog, the ET 302 allows the user to tailor the stimulation to each dogs