ObeDog ultra dual waterproof dog training collar

Used once Rechargeable transmitter and receiver unit 8 adjustable correction levels of vibration and shock stimulation 3 training modes: static shock/vibration/sound Waterproof receiver unit Expandable to 2 dogs with same transmitter Fits small, medium, and large dogs Includes everything that came in original box-see photos Range up to 1100 yards 2 Collars one orange nylon and one black faux patent leather