Good Life OnGuard 3 in 1 Ultrasonic Dog Training Device used once.

REDUCE BARKING DOG DEVICES: Behavior correction on-demand, anywhere you need it. Reduce barking, jumping on furniture, leash pulling, digging, and other unwanted behaviors from your dogs and cats as well. ULTRASONIC SOUND DEVICE: The OnGuard allows you to simply point the device at your dog and push the button. He will hear a sound that you don’t, and he won’t be fond of it. With time, your dog will learn to be good if he doesn’t want to hear the sound. HUMANE NO SHOCK DOG TRAINER: Instead of a harsh shock, this anti-barking device uses a humane, high output ultrasonic sound to reduce barking and other behaviors with a distance up to 50 feet. Requires four AA batteries (not included). ADDITIONAL SAFETY FEATURES: The ultrasonic dog bark deterrent has a panic button to push when you feel you are in danger and a bright LED flashlight for those midnight potty breaks. There is a hassle free set up and included adjustable wrist strap. PORTABLE SIZE FOR VERSATILE USE: Bring it with you anywhere you take your dog. Toss it in your bag, backpack, purse, or pocket. OnGuard dog trainer is always ready to help, at home or on the go.