Immensely Popular E-Collar used by Expert Trainers & First Time Pet Owners; Can be used to help correct barking, walking, leash training, sitting, aggression, and other behavioral obedience Dog Shock Collar with 0-100 Levels of customization for Static Stimulation & Vibration, and a standard Tone (Beep) Mode, three types of stimulation make it guaranteed you will find a stimulation that works for your dog Remote Training Collar is designed with RF434Mhz technology to provide a range up to 330 yards, easily train your dog in the park or backyard Rechargeable and Water-resistant collar receiver and transmitter; Adjustable collar strap, fits neck sizes from 14 to 23 inches Petrainer Dog Training Collar with 1 Year Replacement Warranty; Petrainer US Based Customer Service (Phone & Email) 5 Days a Week