The SportDOG Contain + Train System (SDF-CT-22) includes 300 meters of wire and 100 boundary flags. The Collar Receiver is waterproof and submersible to 3 meters. The Remote Transmitter is DryTek waterproof and submersible to 76 meters. The Training Mode offers 7 levels of instantly selectable static stimulation with vibration/tone. The Containment Mode offers 7 levels of stimulation to match any dogs' temperament with vibration/tone. Training Mode expands to 3 dogs and Containment Mode expands to any number of dogs with Add-A-Dog Collar Receivers.