DOG TRAINING COLLAR By Petics - 8 Levels of Shock and Vibration Correction Plus Sound Mode - Fully Adjustable Electric E Collar With Remote for Large, Medium, and Small Dogs - Best Puppy Training and Dog Obedience Training - Wireless Rechargeable and Waterproof Anti Bark Collar with Range up to 900M SAFE AND EFFECTIVE. Very humane collar, strong vibration stops dog's bad behavior 99% of the time. STOPS UNWANTED BAD BEHAVIORS. Features strong vibrate and shocks to eliminate all bad behaviors. FITS ALL DOGS. From 15 to 100 lbs with a collar size from 12 to 20 inches long. 100% WATERPROOF Remote and Collar