GROOVYPETS 800 Feet Remote Dog Training Shock Collar/Remote Dog Trainer: Rechargeable Collar for Humane Bark Control and Obedience Behavioral Training (2-White Receiver with Rechargeable Remote) Remote training dog collar to train your dog remotely with a range up to 800 feet; Strong humane Vibration command to stop barking or other undesirable behaviors; Shock buttons for each dog;shock levels: Low (L) or High (H). Adjustable dog collar strap fits 6-25"/15cm-65cm small, medium or large dogs; Remote has large color-coded buttons for easy access and rubberized coating for upgraded look and hand feel.