Welcome to our shop. Our goal is to create a better outdoor lighting environment. Our products guarantee 100% brand new and high quality. Please feel free to buy! Product description Do you want to train your dog to stop unwanted behavior or barking? This Shop Comfort ultrasonic dog bark control device uses ultrasound technology and is a safe and effective training tool for all dog sizes. Easy to use. All you need to do is insert a 9V battery into the battery compartment and it’s ready to use! The ultrasound’s intensity is determined by the quality of the battery. Ergonomic design and multi-purpose functions Shop Comfort anti-barking training gadget has 3 easy to use functions to help you correct your pet’s bad behavior or keep you safe on long walks from stray or aggressive dogs. Flashlight Mode: To activate the flashlight, move the switch to “Light” and press the “ON” button. Mode I - Training mode: When the dog engages in bad behavior, move the switch to “I” (first position) and then press the “ON” button to activate the ultrasonic dog training sounds. Once your dog’s attention is captivated and stops unwanted behavior or barking, you can help strengthen his memory by giving small rewards to effectively maintain desired results. Mode II - Chasing mode: For discouraging stray or aggressive dogs from approaching you or your pet, move the switch to “II” (second position) and then press the “ON” button to activate the ultrasonic sounds and laser. Specifications: Frequency: 25 kHz Sound pressure: 125 dB Powered by: 9V battery (not included) Available distance: within 20 feet Size: 4.92 x 1.77 x 1.02 inch (LWH) ???????? Shop Comfort ???????? ?????????????? ??????????????, ?????? ?????? ?????????? ???????????????? ???????? ???????? ???????? ?????? ?????????????? ?????? ????????????????!