Train Multiple Dogs with Your PRO Trashbreaker System•Train up to 9 dogs on 1 PRO Trashbreaker handheld (additional dog devices required; purchase separately)•4-mile range•Built-in BarkLimiter™•Remote operation of beacon lights on dog device•Interchangeable contact pointsThe TB 10 dog device works with the PRO Trashbreaker handheld, allowing you to add more dog device collars to your pack. Train up to 9 dogs on 1 PRO Trashbreaker handheld (additional dog devices required) with a range of 4 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 BarkLimiterTB 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-lastingThe TB 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-rated to 1 ATM (10 meters), 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 PairingPRO Trashbreaker color transmitter buttons can be paired with matching colored collars to help you keep track of which dogs are receiving stimulation and tone.