⭐Zigzagmars Anti Bark Device: Professional device that automatically recognizes dog barking and emits ultrasonic waves to stop the bad behavior.

⭐Work Instruction
Power On: Adjust the knob to Level 1, level 2 or level 3. Blue light flashing means the device has been turned on.
Stand-by: The blue light blinks every 6 seconds.
Triggered By Dog Bark And Start Working:Red light stay on for 3 seconds.
Power Low: Red light starts flashing. it means the device need to be charged or it will stop working

⭐Ultrasonic Frequency
Level 1 Ultrasonic Frequency 15-30KHZ.
Level 2 Ultrasonic Frequency 20KHZ.
Level 3 Ultrasonic Frequency 30KHZ.
Tip: It is recommended to change the ultrasonic frequency every three days to prevent the dog from adapting to one frequency and it will not work.

⭐Package Included
Anti Bark Device×1
Product manual×1
USB charging cable×1

⭐What you need to know before using
When you set up, install or hang a new anti barking device, please fully charge the device first. The anti barking device can be fully charged in 5 hours. It can work for 30 days after being fully charged.
If the dog is deaf or hearing-impaired, the dog may not respond to bark control device.
The ultrasonic frequency needs to be adjusted frequently to prevent the dog from becoming insensitive to ultrasonic waves of the same frequency.
Install the anti bark device less than 6 ft off the ground for optimal performance.
Every dog adapts differently. The barking won't stop at first, so allow up to 2 weeks for training.