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 Amazon.com: Educator PG 300 Dog Training Pager OnlyVibration & Tone, 1 2 Mile Range, 100 Adjustable Levels, Waterproof Biothane Collar Included, Rechargeable, Night Tracking Light, Small & Medium Dogs,1 Dog,Red : Pet Supplies Educator By E Collar Technologies Zen 1 2 Mile Range Remote Dog Training Collar, 1 Collar EDUCATOR By E Collar Technologies Zen 1 2 Mile Range Remote Dog Training Collar, 2 collars Chewy.com If youre using an e collar, you might think vibration is the gentler option. , But heres the TRUTH: low level static stimulation is actually more effective and less confusing for your dog., Heres