Replacement transmitter battery kit for Field Trainer 425 and 425S and Wetland Hunter 425CAMO. SportDOG Brand of Knoxville, Tennessee, is a manufacturer of electronic dog training gear and accessories. Product lines include remote training collars, no-bark collars, an in-ground fence system and remote tracking systems. The company also carries training leashes, bells, collar straps, dummies, scents and whistles; TEK Series E-Collar GPS Location and GPS Location only systems; and Canine Athlete nutritional products.

• Product Dimensions ‏ : ‎ 7.87 x 4.96 x 0.28 inches; 1.44 ounces
• Batteries ‏ : ‎ 1 AAA batteries required.
• Date First Available ‏ : ‎ April 15, 2013
• Manufacturer ‏ : ‎ Radio Systems Corporation
• Country of Origin ‏ : ‎ China