D.T. Systems H20 1800 series is one of the most popular e-collars for waterfowl dogs. The transmitter, which floats in water, provides 16 levels of stimulation to a collar with a one-mile range.
Both the transmitter and collar have rechargeable NiMH batteries. In the H20 series, the 1810 features both momentary and continuous stimulation and the 1820 adds vibration. The 1850 has nick and continuous stimulation, with a beeper/locator that can be operated from the transmitter.
All H20 models are available in two-collar units. The Micro-iDT Z, another collar series made for household use and close-in hunting, features a compact transmitter and a lightweight receiver. It has 16 levels of stimulation in nick and continuous, as well as vibrations. Range is 500 yards.
CONTACT: D.T. Systems, (214) 350-9446; www.dtsystems.com