Updated Anti Barking Device for Dogs - automatically detect barking and emit ultrasonic waves to stop the dog's bad behaviors (including but not limited to barking, growling, fighting, digging), harmless and humane for dogs. It's an effective tool for dog training. Features v Automatically detects barking and sends out ultrasonic waves v 3 updated ultrasonic modes suitable for all breeds of dogs v Long effective control range up to 33Ft v Built-in high capacity battery, can last 30 days of use v USB rechargeable, can be charged with adapters, rechargeable batteries, and laptops v IPX4 waterproof level, durable for indoor and outdoor use v Completely safe for both dogs and humans v Easy to use Three Adjustable Frequency Modes 1. Mode 1 (15-30KHz) for large & naughty dogs 2. Mode 2 (20KHz) for docile dogs 3. Mode 3 (30KHz) for small dogs Note 1. Not recommended for dogs under 6 months or small dogs under 4.5 lbs. 2. May is not effective on old dogs over 8 years or dogs with hearing problems. 3. The dog bark control device should face the dogs within the range of 33 ft. Packing List 1 x Ultrasonic anti bark device 1 x USB Cable 1 x User Manual

?Satisfactory After-sales Service?We offer 30 day unconditional refund guarantee. If you are not satisfied with the product or if you have any problems, please contact us first and we will solve it for you within 24 hours. Please note that this anti barking device for dogs is not recommended for use on dogs under 6 months and over 8 years of age. ?Effective on All Size Dogs?This bark stopper focuses on solving the problem of excessive barking in dogs. Three modes with different frequencies make this device effective for all dogs. The automatic detection and emission of ultrasonic waves is designed to monitor your dog's barking 24 hours a day. The high-capacity built-in battery can support the device to work continuously for a long time. ?USB Rechargeable & IPX4 Waterproof?This anti barking device for dogs has a built-in high capacity rechargeable battery, which can be used continuously for 30 days with only 3-5 hours of charging, eliminating the hassle of frequent charging. The IPX4 waterproof level allows the device to work normally even in rainy days, and it is suitable for a variety of outdoor environments. ?33Ft Wide Effective Range?This effective ultrasonic dog barking device automatically detects the barking of dogs within a range of 33Ft and emit ultrasound to stop it. This dog barking deterrent device suitable for various scenarios, and has a noticeable effect on both your own dog and your neighbor's dog. Compared to a handheld bark stopper, this device is able to work 24 hours a day to quiet the dog even when the owner is not around. ?3 Updated Ultrasonic Modes?This anti barking device for dogs utilizes updated ultrasonic technology with three different ultrasonic frequencies that not only work on all breeds, sizes, and personalities of dogs, but also harmless to dogs and very humane. Mode 1 for large & naughty dogs, Mode 2 for docile dogs, Mode 3 for small dogs. This ultrasonic frequency can only be heard by dogs, so it will not have any effect on people during use.