E-Collar PG-300 Vibration ONLY Remote Dog Trainer 1/2 MileDescription E Collar PG 300 Vibration ONLY 1 2 Mile Remote Dog Trainer Collar The Most Human & Effective Dog Training Collar on the Market The E Collar PG 300 Vibration Only Educator is a 1 Dog, 1 2 mile range collar trainer and is the newest model from E Collar and comes highly requested. The PG 300 is a pager only collar with 100 levels of adjustable vibration; ideal for sensitive, skittish or deaf dogs (or even cats). Safe and Humane Dog Training