Handheld Dog Repellent, Ultrasonic Infrared Dog Deterrent, Bark Stopper + Good Behavior Dog Training Use pet trainer to: ?Eliminate excessive barking ?Eliminate jumping on people ?Stay off the furniture ?Stop clawing, scratching and biting ?Excellent aid to discourage stray or unleashed dogs from approaching you or your pet It can be used a torch How To Use Pet Trainer: ?1. Point your pet trainer directly at the dog or cat always using an outstretched arm from a distance of approximately 6 feet away(effective up to approx. 20 feet) ?2. Give the verbal command, then immediately press the button for one or two seconds ?3. Repeat steps one and two until your pet responds to your commands What can you do when your dog starts barking? ?with the ultrasonic dog trainer, you can train your pet to listen, correct bad behavior, and stop barking.The trainer is based on the theory that ultrasound (greater than 35KHZ) is higher than the upper limit of human hearing, ultra-ultrasound, and 2800mcd strong white light.It activates visual and additional activation in dogs, cats and other animals, but does not affect humans. ?If your dog is using this product for the first time, it may start barking more and more at first because he feels controlled, but don't worry, it won't last very long. When your dog hears the device again in three or four days, it will immediately stop barking Specifications: ?Material: ABS ?Color: Black ?Frequency:35-45HKZ ?Power: Uses one 9V Alkaline battery Box Contains: ?1 x Repeller ?1 x Instructions