Boost Your Training Program: This SportDOG WetlandHunter Add-A-Dog Collar is compatible with the SportDOG WetlandHunter 1825X (SD-1825XCAMO), 1825 (SD-1825CAMO) Made for the Outdoors: This camouflage dog collar features DryTek waterproofing, submersible up to 25 feet, and is built to perform in wet, muddy, or cold conditions Stay Charged & in Control: The quick-charge dog collar uses lithium-ion batteries with a 2-hour recharge time and reliable long-lasting runtime Built for the Field: SportDOG gear was designed by professionals who demand durable, no-nonsense tools that perform in real-world conditions without fail Trusted by Serious Trainers: Professionals rely on SportDOG for proven performance, consistent control, and expert-backed training guidance that gets results