E-Collar Technologies ET-300 Mini EducatorThe ET 300 Mini Educator 1 2 mile remote trainer employs our proprietary "blunt" stimulation for humane and effective remote dog training. 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, the ET300 Collar allows the user to tailor the stimulation to their dog's temperament. The smaller transmitter is especially well suited for smaller hands or situations where