Available for any size of dog
12Vdc,300mA
-Developed by veterinarians to be used for dog's behavioral problem or training puppies not to bark
-Ideal for kennels or multiple-dog homes
-Come out 30ff radius avaiable for stopping barking
-No hurt from radius for human
-Automatically turn on when barking
-Two tone settings available for yr choice
-AC adapter(transformer)with extend wire
-For indoor use only