Smarlance Ultrasonic Outdoor Dog Bark Controller Anti-Barking Device Sonic Bark Deterrents Training Tool, Safe for Dogs, Pets and Human, Birdhouse Shape up to 50 Feet Range, Hanging or Mounting;

Features: Uses ultrasonic technology to stop barks - More effective and durable. No more barking. Sensitive microphone for indoor/outdoor(waterproof) use. Four adjustable ultrasonic volume levels - test, low, medium, and high, with LED battery power level indicator. The product will not work on deaf or hearing impaired dogs. There are some situations where dogs become desensitized. To avoid this, only turn the outdoor bark control on during periods of unwanted barking. The device uses low-intensity ultrasonic, is silent to humans and not harmful. How it works: 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 to emit an ultrasonic sound to silence the dog. How to Test it: 1. Adjust the knob to "TEST" button. 2. Place the item to a position which is one arm's length away from you. 3. Whistle to the microphone of the item loudly,if the LED blinks Green,and you can hear beeping noise,then the item work properly. Effective Range: Level 1: Up to 15 feet Level 2: Up to 30 feet Level 3: Up to 50 feet Weight: 6.9 ounces / 195g Measurement: 6.5x4.3x2.4 inches /164x110x60mm What's Included: 1x Ultrasonic Dog Bark Controller in Birdhouse Shape (battery not included) 1x User Manual