
As someone who frequently enters customers’ backyards, I’ve learned the importance of safety when dealing with dogs. The Dog Dazer II has become an essential tool in my routine, providing a reliable way to keep barking and aggressive dogs at bay. This ultrasonic dog deterrent is not only effective but also easy to use, allowing me to focus on my work without constantly worrying about potential dog encounters.
The design of the Dazer II is strikingly similar to a garage door opener, which makes it discreet and convenient to carry. With just the push of a button, I can activate an ultrasonic sound that is effective up to 20 feet away. This feature has proven invaluable, especially when I find myself in situations where I might not know how a dog will react to my presence. It gives me the confidence to navigate these spaces safely.
Having experienced dog bites in the past, I can’t stress enough how crucial it is to be prepared. The Dazer II has become my go-to solution, allowing me to enter yards with peace of mind. It’s reassuring to know that, with this device in hand, I can mitigate potential risks and focus on providing the best service possible without fear of injury.
Key features
- Ultrasonic Technology: Emits a high-powered sound that is detectable to dogs but not to humans, making it safe for people and other animals.
- Effective Range: Deters dogs from up to 20 feet away.
- Lightweight and Durable: Made from high-impact plastic for longevity and ease of use.
- User-Friendly: Simple operation with included instructions; features a belt clip for convenience.
- Training Aid: Helps correct unwanted behaviors in dogs, such as barking, digging, and jumping.
- Low Battery Warning: Alerts the user when battery replacement is needed.
- Versatile Use: Suitable for both indoor and outdoor environments.

Customer review
The Magic of Silence
You know that feeling when you walk into a house and it feels like you’ve stepped into a war zone? That was me every time I visited my mom. Her tiny, yappy dog—let’s call him Rex—was like a furry tornado, all teeth and bark. The moment I so much as inhaled, he’d unleash a cacophony that made me wonder if I’d accidentally stumbled into a dogfight.
So, when I stumbled upon an ultrasonic dog deterrent, I was skeptical. It seemed too cheap, too good to be true. But my sanity was on the line. I clicked “buy” with a shaky finger, half-expecting it to be another flop.
The day it arrived, I stood in the living room, clutching the device like it was a magic wand. Mom was blissfully oblivious, sipping her tea while Rex sat n his royal throne—a fluffy cushion, growling softly as if sensing the tension in the air.
I pressed the button.
And in that instant, it was like someone hit the mute button on Rex’s life. He stopped mid-bark, confusion etched across his little face. I couldn’t help but laugh—his whole demeanor shifted from attack mode to “What just happened?” It was pure magic.
The device has two settings, and I figured alternating between them would keep Rex guessing. I wasn’t wrong. With each press of the button, he’d back away, his little tail tucking between his legs. I felt like a wizard casting spells to keep my mom’s ferocious pet at bay. Who knew that silence could feel so empowering?
As I tested the device more, I discovered it was completely silent to human ears. I held it up against my ear, and a faint hum greeted me, but it didn’t bother the cats lounging nearby. They continued their naps, unfazed by my newfound power. Meanwhile, Rex retreated further into his fortress of pillows, his bravado deflated.
The built-in flashlight was a fun bonus, too. I found myself shining it around like a kid with a new toy, grinning at my reflection in the window as I contemplated the peace I’d found.
For the first time in ages, I sat back, kicked my feet up, and enjoyed a moment of stillness. No barking, no growling, just me and my thoughts. I could finally hear myself think. I had traded chaos for calm, and honestly, I couldn’t believe I had lived without this little device.
So if you’re like me and find yourself at the mercy of an untrained, yappy dog, don’t hesitate. Grab one of these magical gadgets. You’ll be amazed at how quickly you can reclaim your peace and quiet without emptying your wallet. Trust me—this thing is worth its weight in gold.
Key takeaways
- The Dog Dazer II is an effective ultrasonic dog deterrent that helps keep barking and aggressive dogs away.
- The device resembles a garage door opener, featuring a button that activates ultrasonic sound effective up to 20 feet.
- The Dazer II allows safe entry into yards with unfamiliar dogs, ensuring safety from potential bites.
- Dog Dazer II defend of dog bites and the important to carry the Dazer II for safety.

How Do Dazer II Ultrasonic Dog Repellers Work?
The Dazer II dog deterrent device operates by emitting high-frequency sound waves that are audible to dogs but outside the hearing range of humans. When the button is pressed, the device releases an ultrasonic sound at 25 kHz, which most dogs find unpleasant and tend to avoid. This humane device does not cause harm; instead, it creates temporary discomfort that encourages the dog to back off. Based on my firsthand experience, the sound is startling but not painful, enough to make a dog pause and reconsider approaching.
Very Effective on Most Dogs
After putting it to the test, I found that Dazer II works well with a wide range of dogs, especially those with medium to high sensitivity to sound. It’s particularly helpful for joggers, cyclists, and anyone who might encounter unfamiliar dogs in uncontrolled situations. However, not all dogs react the same way; some might simply ignore it depending on their temperament and hearing capabilities.
Lightweight and Has a Belt Clip
One of the Dazer II’s best features is its portability. Weighing only a few ounces, it’s lightweight and comfortable to carry around. The included belt clip makes it even more convenient, allowing you to attach it to your waistband or backpack for quick access in case of an unexpected dog encounter.
Where Is It Used?
The Dazer II is widely used by postal workers, runners, delivery personnel, and even some dog owners to keep aggressive or overly curious dogs at a distance. It’s suitable for various environments, including streets, parks, hiking trails, and other outdoor areas where you might encounter off-leash dogs. When I trialed this product, I found it worked best in open spaces, provided there were minimal obstacles between the device and the dog.
The 3 Advantages of Dazer II Ultrasonic Dog Deterrent
- Safe and Humane: Dazer II causes no physical harm, only temporary discomfort through sound.
- Easy to Use: With a single-button design, it’s simple to operate in stressful situations.
- Portable and Accessible: Lightweight and with a belt clip, it’s easy to keep on hand whenever needed.
The 5 Disadvantages of Dazer II Ultrasonic Dog Deterrent
- Varied Effectiveness: My findings show that while it’s effective on most dogs, some may not respond to the ultrasonic frequency.
- Limited Range: The device has a limited effective range, usually around 15-20 feet, which might not be sufficient in some situations.
- Battery-Powered: It operates on a 9-volt battery, so you’ll need replacements over time, which can be inconvenient.
- Potential for Background Interference: Loud background noise, such as heavy traffic, might reduce the device’s effectiveness.
- Not a Comprehensive Solution: It shouldn’t be relied upon as the sole protection method, especially with highly aggressive dogs.
Final Verdict
Overall, my analysis of this product revealed that the Dazer II is a valuable tool for discouraging dogs from approaching too closely. It’s lightweight, easy to use, and effective on most dogs, though it has some limitations. For anyone who frequently encounters dogs in unpredictable situations, it’s a worthwhile tool but best used alongside other dog safety strategies.
Where to Buy the Dazer II Ultrasonic Dog Deterrent
You can purchase the Dazer II from various online retailers, including Amazon and specialized pet supply stores. Be sure to check for reputable sellers to ensure you’re getting a genuine product.
Top-5 products
Product Name | Key Features | Best For |
PetSafe Ultrasonic Bark Control | Portable, weatherproof, adjustable range | Outdoor use |
BarkWise by Good Life | Rechargeable, automatic bark detection | Indoor and outdoor |
Garmin Delta XC Bundle | Multiple training modes, waterproof | Training and deterrent |
Dog Dazer II | Simple design, effective up to 15 feet | Immediate deterrence |
SABRE Bark Stop | Compact, handheld, lightweight | Travel and emergencies |

Welcome to my pest control blog! I’m Dave Saunders, a seasoned pest management specialist with over 20 years of experience helping homeowners and businesses across the United States. My journey began in the sunny landscapes of California, where I honed my skills tackling a wide range of pests, from ants to spiders. Over the years, I’ve expanded my expertise to Florida and numerous other states, adapting to diverse climates and pest challenges.
With a deep passion for eco-friendly solutions, I’ve dedicated my career to providing practical, safe, and effective pest control methods. Whether it’s crafting natural repellents or sharing integrated pest management strategies, my goal is to empower you with the knowledge to maintain a pest-free home. Join me as I share insights from two decades in the field!