SKU: 35276914266

HKM-8288829 Ultrasonic Bark Control Device with Digital Display and Adjustable Sensitivity

Sale price$56.69 Regular price$62.99
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Description

HKM-8288829 Ultrasonic Bark Control Device with Digital Display and Adjustable SensitivityIntroducing the HKM 8288829 Ultrasonic Bark Control Device, a practical solution for dog owners seeking a peaceful environment. This innovative device is designed to resemble an alarm clock, making it a discreet addition to your home or yard. It offers versatile placement options: hang it from a tree, set it on a table, or position it wherever barking may become an issue. The HKM 8288829 works by utilizing ultrasonic technology. When it detects

Introducing the HKM-8288829 Ultrasonic Bark Control Device, a practical solution for dog owners seeking a peaceful environment. This innovative device is designed to resemble an alarm clock, making it a discreet addition to your home or yard. It offers versatile placement options: hang it from a tree, set it on a table, or position it wherever barking may become an issue.

The HKM-8288829 works by utilizing ultrasonic technology. When it detects excessive barking through its built-in microphone, it emits a safe, high-pitched sound that only dogs can hear. This sound serves to deter unwanted barking, creating a calmer atmosphere for both you and your neighbors without the need for collars. It is suitable for dogs of all breeds and sizes, making it an effective tool for any pet owner.

This device features a digital display and is rechargeable for your convenience. It comes equipped with four adjustable frequency bands, allowing you to customize the settings according to your pet's specific needs. The sensitivity levels can be easily adjusted, providing a range from low to high to match different barking tendencies. The device's outer shell is UV resistant, ensuring durability and longevity, while its IP4 waterproof rating adds an extra layer of protection against the elements.

Additionally, the HKM-8288829 Ultrasonic Bark Control Device has a service life limited by a one-year warranty, giving you peace of mind with your purchase. With a compact size of 12.5CM x 9CM x 5CM and a lightweight design of 0.2KG, it seamlessly fits into your life without being obtrusive.

Choose the HKM-8288829 for a safe, reliable, and effective way to manage excessive barking and restore tranquility to your living space.

1. Product function

This product is designed to look like an alarm clock. It can be hung on a tree, placed anywhere in the house or in your yard. It can be hung, placed on a table or other places. When the ultrasonic bark suppressor alarm clock detects excessive barking, the microphone will sense the bark and activate the components. At this time, the product will emit a safe high-pitched ultrasonic sound that can be heard by dogs but cannot be heard by dogs. The stimulation of ultrasound sound will stop barking, because ultrasound will make the dog feel uncomfortable, so as to achieve the effect of stopping barking. Excessive barking of dogs will affect you and your neighbors. Outdoor ultrasonic bark suppressors can effectively stop dogs from barking and do not require receiving collars. They are safe and effective, and are suitable for dogs of all breeds and sizes.
2. Product features
1. Digital display, rechargeable
2. The product has 4 frequency bands to choose from, according to different pets or animal types and sizes.
3. Sensitivity buttons have 1-4 levels, digital display, 1-4 levels increase the sensitivity from low to up, and the fourth level is the largest and the strongest. The digital tube will then display the current operating status.
4. The outer shell of the product is UV resistant, and the outer shell is not easy to fade.
5. IP4 waterproof level

6. The service life is limited, and the warranty period is one year.
3. Product specifications
Product unit weight 0.2KG/set
Product size: 12.5CM*9CM*5CM



Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 35276914266

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4.4 ★★★★★
Based on 13 reviews
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Verified Purchase
Lucas B Hager
Alexandria, US
★★★★★ 5
No problems all the way to the end of the spool
Style: String Trimmer
I had an old Greenworks string trimmer that I found in the basement after I moved into my new home. Maybe it was just old, but the auto-feed didn't work well, the line was always running out, and I spent more time rewinding the spool than cutting down weeds. I had almost lost my faith in string trimmers entirely. You can spend $300 on one, but how much better are they? I didn't know. This Black & Decker was only $50, and although it's corded, my roommate convinced me it was worth not having to do the dance of recharging batteries, plus having full 110v power. Some (easy) assembly required out of the box, and this thing was basically plug & play. I did read through the owner's manual first, which gave amateur me some confidence through a few helpful tips. I use it not only for cutting down weeds, but also for cleaning out weeds from the cracks in my sidewalk, and the edger wheel is very helpful for that. More importantly, the line had no problems all the way to the end of the spool. Faith restored, there are good string trimmers in the world. That being said, be aware that the line it comes with isn't very long. My lawn is medium-size, and it ran out about halfway through. The Black & Decker replacement spools are $10 / 30 ft (much longer), but it goes through line, so this could really add up. Replacing the spool was easy, and I was able to finish my lawn with plenty line to spare. A quick search on Amazon reveals off brand spools at $15 / 12-pack. I haven't tested them yet, but the price difference is so great that I'm going to give them a chance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 19, 2023
T
Verified Purchase
TinaMarie
Massapequa, US
★★★★★ 4
Handy until I can purchase a mower
Style: String Trimmer, Style: String Trimmer
I've used this thing heavily 3 times now. I need a mower but haven't had the spare money for one yet so this is what I'm using! My yard is just under 1 acre. I'ma list some pros and cons I've noticed in my good use.. Pros: it works.. really well! As you can see I live in Florida so grass grows super fast in our rainy season if I slack just 2 weeks oh my.. the power is strong, it's easy to work. Auto feed is a big help. I bought extra when I made this purchase I can go through about 1-2 rolls throughout the whole yard. Cons: the wire. It gets in the way so much and my large yard I use a 200 ft cord but that's not always enough so I can't complete my job completely but enough I'm happy with. When the auto feed is low i noticed it constantly over feeds the line and that honestly hurts sometimes! It's and easy fix but after doing it 5 times you're over it. Id just put a new one on but I feel that's just a waste. In the future I will be replacing mine to get rid of the wire.
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Reviewed in the United States on June 26, 2025
L
Verified Purchase
LL-SDGO
Charlottesville, US
★★★★★ 5
Light Weight = Maneuverable
Style: String Trimmer
First time use today. It's works great. The light weight makes it so much more maneuverable than my very heavy 15 year old Echo weed line trimmer with heavy 58V battery. The Echo 58V battery died and did not want to spend $220 for new Echo battery with probably old tech battery. Debated on $300 EGO 56V trimmer and this corded 120VAC Black and Decker weed line trimer for $52. Also purchase a 50 ft AWG14 extension cord. The combination is terrific. Again the light weight is a revelation for me. The 6.5 Amp motor is plenty powerful. The thinner .065 line works well cut everything that needed wacking. The auto line feed works well. The length of tool fits me perfectly - I'm 5-4 so it may not be so good for tall folks. I extended to its max length. I wrapped the extension cord a few loops around the trigger handle and had no issues with cord staying on. Highly recommended with one could deal with extension cord. I don't see an issue with reliability and longevity. The electric motor seem well spec and strong. Really not much to go wrong with it. And no battery to deal with. For my very small yard it works great.
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Reviewed in the United States on March 5, 2026
A
Verified Purchase
Avid Reader
Louisville, US
★★★★★ 5
Great Light Weight String Trimmer and Edger!
Style: String Trimmer
I'm a 60 year old female and bought this because of the light weight. It was easy to put together, however, the instructions that came with it were terrible. It included only black and white images, with no written instruction. I found a great tutorial on YouTube that told how to assemble it and use it, and another on how to change the string. Buy extra string, so you'll have it ready! It does a great job on weeds and ivy. The edger is great. It is adjustable, but probably not the best for anyone taller than 5'6. It's noisy, but not so bad that it requires ear protection. I like that it's corded which makes it lighter and I don't have to fool with gas or heavy batteries.
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Reviewed in the United States on May 8, 2026
S
Verified Purchase
stuart austin
Carnegie, US
★★★★★ 5
Great weed wacker
Style: String Trimmer
Works great. Plenty of power. Did my weeding in a fraction of the time of my battery operated weed wacker
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Reviewed in the United States on May 15, 2026

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