⭐Features of Anti Barking Device:
- Max work range 33 feet
- Alleviate noisy barking through harmless ultrasound
- 3 adjustable frequency modes, 15KHz-20KHz-30KHz
- USB charging, equipped with 1500mAh rechargeable lithium battery, which can work continuously for 30 days after charging for 5 hours
- Durable and IP45 weatherproof, suitable for indoor outdoor use
- Suitable for dogs aged 6 months-8 years and less than 50 pounds

📌Introduction of Dog Bark Deterrent Devices:
1. Press the power button for 3 seconds to turn on with a long beep. Then press the power button to turn off the device with 2 beeps.
2. Press the power button to switch modes with bule light on for 2 seconds.
3. While working, the red light is on for 3 seconds and send out ultrasound.
4. Low battery: the red light starts to flash. Indicates that the device needs to be charged, otherwise it will stop working.
5. Fully charged: the blue light is on.

💡3 Adjustable Frequency Modes:
- Mode 1: 15KHZ for small or sensitive dogs
- Mode 2: 20KHZ for docile or medium dogs
- Mode 3: 30KHZ for naughty or large dogs
The default mode is 20KHz, and there will be a clear alarm sound at 30KHz mode.

🐾Notes:
* The device max detection range is 33f. The smaller the range, the better the effect.
* The device is for dogs from 6 months to 8 years old dogs, not suitable for aggressive dogs or two or more barking dogs at the same time.
* Don't put the device in heavy rain, water, or any other liquid.
* Please change the frequency mode every 7-10 days as the dog may have resistance to the same frequency mode.
* Please charge the device before daily use. Output current is no more than 2A.

🎁What You Get:
1 * Anti Barking Device
1 * USB Cable
1 * User Manual
2 * Nails