PG 302 Vibrating Dog Collar Pager E Collar Technologies Amazon.com: E Collar ET 300 Mini Educator Remote Dog Training Collar 1 2 Mile Waterproof, Premium Finger Clicker Trainer, 100 Stimulation Levels + Vibration + Light + Sound 1 Dog Small to Medium, Yellow : Pet Supplies When to use tone, vibration, or stimulation on an e collar? EDUCATOR By E Collar Technologies Educator 1 2 Mile Waterproof Pager Only Dog Training Collar, 2 collars Chewy.com These shock collars might not be what you think. The Ecollars we use in training are blunt stimulation, similar to that of a tens unit that you would use at a physical Amazon.com: Bundle of 2 Items E Collar PG 300 1 2 Mile Remote Waterproof Trainer Educator Vibration and Sound Stimulation Collar only with PetsTEK Dog Training Clicker and Dog Whistle Training Kit : Pet Supplies