Luckydarling Anti Barking Control Device, Ultrasonic Dog Bark Deterrent, Mini Sonic Anti-Bark Repellent, Dog Training Tool Stop, Indoor & Outdoor No Bark Training Control Device Security For Dog : Luckydarling : Pet Supplies

Features: 1. weatherproof for indoor outdoor use 2.Use low-intensity ultrasonic silent for humans no harmful 3.Use ultrasonic sound to deter noisy barking and more effective 4.Detects barks up to 50 feet with the waterproof sensitive internal microphone 5.Four levels of operation including a test mode.Switch with 4 Levels of Operation: To verify the microphone and speaker – Level 1=Low Range-up to 15 feet – Level 2=Medium Range-up to 30 feet – Level 3=High Range-up to 50 feet How It Works 1. When the outdoor bark control is within range of a barking dog microphone pick up the sound and unit is automatically activated. 2. The outdoor anti bark control emits an ultrasonic sound.ultrasonic sound can be heard by dogs but is silent to humans 3. Startled by the high-pitched sound the dog should stop barking it will associate its bark with this unpleasant noise. 4. When the dog stops barking the ultrasonic sound also stops. How To Test It 1.Adjust the knob to TEST button. 2.Place the item to a position which is one arms length away from you. 3.Whistle to the microphone of the item loudlyif the LED blinks Greenand you can hear beeping noisethen the item work properly. Specification: Material: Plastic Size: L x W x H 7.7 x 6.3 x 4.2cm / 3.03 x 2.48 x 1.65appr. Package Includes: 1 x New Outdoor Bark Control 1 x English Manual