CY Newest Birdhouse Ultrasonic Outdoor Anti-Bark Controller Sonic Bark Deterrent with Hanging Hole on Tree, Wall, or Fence Post Dog Barking Controller Stop Dog Barking (Black);

Why should we choose this Dog Barking Controller?
The ultrasonic frequency is not harmful to pets and completely inaudible to human ears.
This anti barking control device has the internal microphone to pick up barking sounds within a 50-feet range and activate the unit. Perfect solution for peace and quiet from loud pets.
Weatherproof & durable, it's the best outdoor bark silencer for anti bark control you could have.
Designed for easy hanging/ mounting,you can hang/mount this dog barking control on a tree, wall or fence post, without ruining your decoration.

How does it work?
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.

Specifications:
The device has FOUR range levels (including a test mode), and has working range up to 50 feet:
Test mode: verify the microphone and speaker are functional
Mode 1: Low Range(up to 15 feet)
Mode 2: Medium Range(up to 30 feet)
Mode 3: High Range(up to 50 feet)
Two different color LED lights for good/ low battery indication
Material: PP
Working Distance: activated at 15, 30 or 50 feet
Product Dimension (L x W x H): 6.7 x 4.5 x 4.1 inches
Gross weight: 15.5 ounces

Package Content:
1 x Newest Birdhouse Ultrasonic Dog Bark Controller (9V Battery not included)
1 x User Manual(English Version)

Note:
The product will not work on deaf or hearing impaired dogs.
The ultrasonic sound is inaudible to humans, however precautions should be taken when preparing the outdoor bark control for use.