Functional of anti barking device for dogs indoor 1 Humanized anti-barking equipment, an anti-barking device that is healthy and safe for dogs 2 Effectively stops barking up to 50 feet, farther than other products 3 3 adjustable ultrasonic frequencies to stop small medium large dogs from barking 4 The ultrasonic double-hole design has a larger range and stronger effect 5 The appearance is mini and compact, with the appearance of an owl. The owl's nose turns red when charging and the green light turns on. 6 Type-C charging design, fully charged in 3 hours, can be used continuously for 15 20 days 7 1600mAh ultra-long battery life 8 IPX4 waterproof appearance design, please note that the charging port is not waterproof 9 Anti-barking of dogs from different countries and breeds How it works: 1. Please charge before use. 2. After turning on the anti-barking device, the device will automatically detect dog barking and trigger ultrasonic waves. When no dog is barking, the device will be in standby mode and no human operation is required. Intelligent barking control. 2. The anti-barking device uses a microphone to identify dog barking. 3. When the device detects a dog barking, it can emit ultrasonic waves through the two device holes (owl's eyes), interfere with the dog's attention through sounds of different frequencies, and give the dog a stop barking command. 4. When you first start using it, you can use low- medium - high gear and slowly transition. Note: Some dogs may not stop immediately when you first start using it. You can let them get along with it for a few more days. Let the dog slowly understand the instructions of the barking device. 3 levels for the dog barking device Level OFF: Turn on Turn off. Level 1: frequency 25KHZ, apply to small dog. Level 2: continuous 25KHZ, apply to docile dog. Level 3: 23-25-27KHZ, apply to large naughty dog. DIRECTIONS anti barking deviceWaterproof Portable Design Stop Barking Device: Small and mini owl appearance design, two ultrasonic emission holes to strengthen the ultrasonic range, so that the stop barker can be used in the living room, bedroom, yard, can be used as a decorative piece of stop barking, when you need to go out to walk your dog on the go, this stop barking device is also able to be placed in the pocket or hold in the hand. Type-c Fast Charging: in order to facilitate the use of this smart stop barking device designed for common charging methods, the charging time is accelerated, each time full charge only needs 3 hours, 1600mAh long battery life, anti dog barking device ultrasonic able to uninterrupted use for 15 20 days, reducing the charging of frequent annoyance to the owner. For All Breeds of Dogs can Anti Barking: the use of this anti-barking device to stop barking, there is no restriction on the breed of dog, this anti-barking device has been through thousands of barking experiments, we found that it is only the dog's barking to identify, so that the work to produce the effect of the dog, for the different countries of the dog, different breeds of dogs, can be very fast to produce the effect of the dog, some dogs may be longer time of action. 50 Feet Range Stop Barking Distance: Still worrying about your dog barking at the neighboursstill worrying because of the neighbours' barking dogsthis new mini anti bark device can work within 50 feet range, the working principle of this stop barker: when the dog barks, dog barking device will intelligently capture the barking, interfere with the dog through the sound which is inaudible to human beings to distract the dog, so that the dog can safely and harmlessly stop barking. Anti Barking Device for Dogs Indoor: this ultrasonic anti barking device has 3 kinds of adjustable ultrasonic gears, after turning on the anti barking device, the device can automatically anti barking, in no dog barking, automatically keep standby state. After catching the dog barking, stop barking dog device will turn on the ultrasonic work, humans can't hear the ultrasonic sound can bring people a comfortable and quiet environment.