
Lightweight collar measures 1-1/2 by 2-1/2 by 1-1/4 inches (width by length by depth).Instantly change stimulation intensity from the transmitter; tone only button.Radio-controlled pet training system with transmitter and collar.400-yard range for hunting, farm and field work; expands to 3 dogs with purchase of additional collars.Adjusts for higher-intensity electric stimulation for larger, more stubborn dogs. Collar and Transmitter (SportDog). For use in the US only. This unit is compatible with all US 110v outlets and are not to be used with 220v international voltage. Read more FieldTrainer for Stubborn Dogs, SD-400S by SportDOG
FieldTrainer for Stubborn Dogs, SD-400S by SportDOG Feature
Collar and Transmitter (SportDog). For use in the US only. This unit is compatible with all US 110v outlets and are not to be used with 220v international voltage.