SportDOG Field Trainer 425 825 875E Extra Collar Expand your system to multiple dogs or use as a replacement collar/receiver for the SD-425, SD-825 or SD-875E unit.
- DryTek Waterproof design technology
- Weighs only 3.3 ounces (including collar strap)
- Ergonomic, "SHAPED" collar/receiver design
Click here to Learn what makes SportDOG Brand® so great.
In an industry seemingly overcrowded with electronic dog training products, Radio Systems Corporation’s renewed venture into the sporting dog market with the creation of SportDOG Brand® in 2003 might have appeared to be driven only by misguided ambition. However, that was far from the case. SportDOG broad line of superior products is the result of focusing on a promise made to their customers on day one: Gear The Way You’d Design It®. The SportDOG Field Trainer 425S is yet another example.