Petrainer 880 yd Remote Training E-Collar for Medium or Large Dogs, 9.25 by 2.08 by 7.48" Petrainer Remote training collar with a range of 880 yards, excellent for long distance training such as hunting or large yard scenarios. Petrainer shock collar accommodates any dog by providing 100 levels of stimulation( Swap effortlessly between Continuous and Momentary stimulation), accurate static shock stimulation. used to help correct Barking, Walking, Leash Training, Sitting, Aggression, and other Behavioral Obedience. Waterproof remote transmitter and receiver collar, so your dog and you can both enjoy wet environments without a worry! Convenience of easy-to-read LCD screen shows the stimulation level. Over 3000 different identity codes to prevent conflicts with other e-collars. Petrainer Dog Training Collar with 1 Year Replacement Warranty; Petrainer US Based Customer Service (Phone &amp; Email) 5 Days a Week