Operates on standard 9 volt battery (not included).
Note: Training sound may be heard by the human ear.
"waste of money"
this is waste of money i got two at different places and nether worked.
"Waste of money"
Doesn't work at all! I own Bulldogs and Shih Tzus and this bark control doesnt' work for either!! I have tried letting the controler work on its own and I've pressed the button when they bark and neither seems to affect the dogs! Huge waste of my money!!