Features: Four adjustable ultrasonic volume levels - test, low, medium, and high, with LED battery power level indicator. Uses ultrasonic technology to stop barking, more effective and durable. Sensitive microphone isolates and picks up barking up to 50 feet away to stop barking indoors & outdoors Safe and humane method of bark control, suitable for all breeds and sizes of dogs. If the dog is deaf or hearing impaired, he may not react to the bark control. Specifaction: Material: ABS Weight: 440g/0.97lb Product size (L x W x H): 11.5 x 10.5 x 17cm Power: 1 x 9V battery(not included) LED Color: Green (good)/ Red (low battery) Modes: T: Verify the microphone and speaker are functional 1=Low range(Up to 15 feet) 2=Medium range(Up to 30 feet) 3=High range(Up to 50 feet) How it works: Insert a standard 9-volt battery into the unit. The unit is automatically activated by the sound of barking. When the device is within the range of a barking dog, the microphone will isolate and pick up the barking dog to emit an ultrasonic sound to silence the dog. Package Included: 1 * Ultrasonic Bark Controller 1 * User Manual(English)
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