The SportDog Wetland Hunter Remote Trainer 1mile makes sure that you're in control. This electronic remote training collar features up to 16 stimulus levels and a choice of momentary or continuous correction. Vibration and tone options further help you build a customized remote training system to guarantee the best performance from your dog. The WetlandHunter 1825 Camo can be easily expanded to control up to 6 dogs by adding SportDog Brand Add-A-Dog collars. Features a 1mi range, a slim-profile collar receiver that ensures a perfect fit, and a compact remote transmitter that's easy to handle.