Safe Dog Shock Collar with Remote by MasterPup | Vibration & Shock Training Device for Medium and Large Dogs 10-110 lbs (Waterproof & Rechargeable e Collar) When you purchase our product, you are also helping to end shelter killing and find homes for thousands of dogs across the nation with $1 donation going to the ASPCA. Obedience training in a safe and effective way. Simple to operate and adjust the vibration, intensity, and sensitivity mode. Adjustable comfort fit collar from 9-26 for dogs that weigh 10-110lbs. Order your Training Collar today so that you can start to enjoy the time with your dog.