Give your dog-training methods a little boost with the Dogtra ARC Collar. Low to medium output low-profile e-collar is compatible with all breeds. Nick and constant stimulation modes as well as a nonstimulating vibration provides ample options to suit your needs. Handheld transmitter boasts a 3/4-mile range and checkered grip for a positive feel. Gradual adjustable stimulations with 127 levels of intensity. Expandable to a two-dog system for multiple-dog owners. LCD screen displays stimulation level and includes a three-bar battery-life indicator. Waterproof transmitter and collar. Powered by two rechargeable lithium polymer batteries (included). Manufacturers two-year limited warranty. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Electronic Collars.