Train Multiple Dogs with your PRO 70/550 or Sport PRO Systems Train up to 6 dogs on 1 PRO 70 handheld, up to 3 dogs on 1 PRO 550 handheld or up to 3 dogs on 1 Sport PRO™ handheld (additional dog devices required; purchase separately) 1 mile range Built-in BarkLimiter™ Remote operation of beacon lights on dog device Interchangeable contact points The PT 10 dog device works with the PRO 70, PRO 550 and the Sport PRO handhelds, allowing you to add more dog device collars to your pack. Train up to 6 dogs on 1 PRO 70 handheld, 3 dogs on 1 PRO 550 handheld or 3 dogs on 1 Sport PRO handheld (additional dog devices required) with a range of 1 mile, plus remote-operated LED beacon lights for low light conditions and built in BarkLimiter, activated on the dog device, for a quieter kennel. Built-in BarkLimiter PT 10 features a built-in BarkLimiter, activated by the dog device. BarkLimiter features Autorise technology, which automatically adjusts correction to the optimum level needed to stop unwanted barking. Tough, Water-resistant, Long-lasting The PT 10 dog device collar is designed to withstand all the blows, bumps and sloppy conditions of training and hunting, and comes with 2 lengths of removable, stainless, insulated contact points for reliable performance in wet conditions and extended comfort for the dog. The dog device is water-resistant to 1 ATM, and features a long-lasting, rechargeable, lithium-ion battery. A battery life indicator on the dog device lets you know when to recharge the system. Collar Pairing The PRO 70 color transmitter buttons and the PRO 550 and Sport PRO color-coded dog selection switch on the handhelds can be paired with matching colored collars to help you keep track of which dogs are receiving stimulation and tone. Additional 3/4-inch polyurethane-coated accessory collars are sold separately.