Add an extra waterproof, rechargeable (NiMH) receiver with heavy duty waterproof collar strap to your SportDog FieldTrainer (SD-400) or SportHunter (SD-800) transmitter. This collar can be used with any SportDog Field or Hunter Trainer. The addition of extra collar/s allows you to control multiple dogs simultaneously (Max. 3). The collar features DryTek waterproof design technology and a low battery detect feature.
*** The use of electronic collars may not be legal in your state or may require usage according to specific requirements. If you are not familiar with your states requirements please contact us. ***