YC° CY Ultrasonic Mini Anti Barking Device Automatic Bark Control Device (Black)

◆Dogs are our best friends, but do you feel helpless and annoyed when a dog is barking without control?

It's time to try this Ultrasonic Dog Bark Control Deterrents and gentlely say goodbye to those endless barking.

Features
It uses ultrasonic technology to stop barks
More effective and durable. No more barking.
Sensitive microphone for outdoor(waterproof) use.
Can also be used indoors, recommended level for indoor use is level 1 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.
Safe for small, medium, large dogs

How The Outdoor Bark Control Works
When the outdoor bark control is within range of a barking dog,an internal microphone pick up the sound and the unit is automatically activated.
The outdoor bark control emits an ultrasonic sound.the ultrasonic sound can be heard by dogs but is silent to humans.
Startled by the high-pitched sound that is safe and effective,the dog should stop barking,it will associate its bark with this unpleasant noise.
When the dog stops barking the ultrasonic sound also stops.
The outdoor bark control has 3 range levels and a test mode.It is effective up to 50 feet.