E-Collar ME-300 Micro Educator Remote Dog Trainer 1/3 MileDescription E Collar ME 300 Micro Educator 1 3 Mile Remote Dog Trainer Collar The Most Human & Effective Dog Training Collar on the Market For Smaller Dogs with Sensitive Temperaments The ME 300 Micro Educator is the smaller educator model. This package combines the ET 300 Mini Transmitter with the all new RX 070 Micro Receiver for small dogs; approximately 20% smaller, 20% lighter and 20% less stimulation. It is still rated for dogs 5 lbs and up, but