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Meet AR28 Ultrasound Rodent Repellent
I recently started using the AR28 Ultrasound Rodent Repellent, and I’m genuinely impressed with how effective and practical it is. I was looking for a reliable way to keep rodents away from my car engine bay, and this device turned out to be a smart investment.
The first thing I appreciate is its dual-action protection system. By combining ultrasonic waves (18–36kHz) with flashing LED strobe lights, it creates an environment that mice, rats, squirrels, and other small animals can’t stand. Since installing it, I’ve noticed no signs of rodent activity under my hood, which gives me real peace of mind.
Another strong point is the flexibility in power supply. The AR28 offers three options: running on 4 AA batteries (which lasted surprisingly long for me), USB power with a 5–12V adapter, or direct connection to the vehicle’s power supply under the hood using the included DC cable. This versatility makes it easy to adapt to different setups, whether for car use or home protection.
I also found the intelligent vibration sensing feature very clever. The unit automatically shuts off when it detects the car is running, indicated by the red light, and then resumes after 90 seconds of stability. This not only saves energy but also ensures it doesn’t interfere with driving. In terms of safety, I like that the frequencies used are harmless to humans and pets. It’s discreet, energy-efficient, and doesn’t create any disturbance in daily life.
Beyond cars, I’ve tested it in other environments—like the garage and attic—and it’s just as effective. Thanks to its compact size and the included cable ties, installation was straightforward, and moving it between different spots was hassle-free.
Overall, the AR28 Ultrasound Rodent Repellent has proven to be a dependable, safe, and versatile solution for keeping rodents at bay. I would highly recommend it to anyone dealing with unwanted critters around cars, garages, or storage spaces. It offers excellent value, peace of mind, and easy usability—all in one compact device.
AR28 Ultrasound Rodent Repellent Main Features
– Effective protection for cars: The rodent repellent for car engines uses a combination of 18-36kHz ultrasonic waves and LED strobe lights to effectively high frequency repel mice, rat, squirrels and other animals, keep rodents out of pickup truck
– Three power supply modes: Three charging modes are provided for easy use. 1: Use 4 AA batteries, 2: Use a USB cable to connect to a 5-12V adapter for charging, 3: Use a DC cable to connect to the power supply under the hood of the car
– Intelligent vibration sensing: When a vibration signal triggers the circuit (the car starts), the mouse repellent stops working and the red indicator light is always on. The machine resumes working after 90 seconds when the working environment is stable (no more vibration)
– Safety and energy saving: The sound emitted by the rat repellent is between 18,000 – 36,000 Hz, which will not affect humans and pets. When the car is driving, the mouse repellent is on standby and the battery can be used continuously for at least three months
– Multi-scenario use: Our electronic rodent repellent devices is compact and can be easily installed on various models of cars using the included cable ties. It can also be placed indoors, outdoors, in garages, attics, basements, storage rooms, barns, kitchens, etc.
Real-life scenarios where AR28 Ultrasound Rodent Repellent can be quite useful
– Car Engine Protection. One of the most common use cases—install the AR28 under your car’s hood to keep mice, rats, and squirrels from nesting or chewing wires. Especially useful if your car is parked outside or unused for days.
– Garage Defense. Garages often attract rodents seeking warmth or food. Mounting the AR28 inside helps keep vehicles, tools, and stored items rodent-free without using traps or poison.
– Barns and Farm Equipment. Perfect for farms where tractors, harvesters, and feed storage attract pests. The AR28 can protect machinery wiring and grain sacks from rodent damage.
– Attic or Loft Protection. Attics are notorious for rodent infestations. The AR28’s ultrasonic and strobe combo discourages nesting while being safe for household use.
– Storage Units or Basements. Long-term storage areas are ideal hiding places for rodents. The AR28 can safeguard valuable items, documents, and furniture from gnawing or contamination.
– RVs, Campers, and Motorhomes. When parked for extended periods, recreational vehicles attract small animals. The AR28 keeps wiring, insulation, and food supplies safe during storage or travel.
– Boats and Yachts. Rodents often sneak into boats docked for long periods. The AR28’s low power draw and vibration sensor make it ideal for protecting electrical systems and cabins.
– Warehouses and Workshops. Large storage or work areas where food residues or cardboard attract pests can benefit from several AR28 units strategically placed to prevent infestations.
– Outdoor Sheds and Garden Cabins. Keep gardening tools, seeds, and stored furniture safe. The compact design allows easy installation even in small wooden sheds.
– Parking Lots and Fleet Vehicles. For businesses managing multiple cars or delivery vans, placing AR28 devices in each vehicle helps prevent costly damage to wiring harnesses and insulation materials.
AR28 Ultrasound Rodent Repellent Highlights
Ultrasonic + Strobe-Light Dual Action
Multiple Power Supply Options
Intelligent Vibration Sensor / Auto-Standby Mode
Very Low Power Consumption & Energy Efficiency
Safe for Humans & Pets (When Used Correctly)
Durable & Multi-scenario Use
Effective Range / Coverage
AR28 Ultrasound Rodent Repellent Specs
Model Number: AR28
Ultrasonic frequency: 18 kHz to 36 kHz
Sound pressure / decibel level: ~ 110 dB
DC input: 5-12 V
Battery: 4 × AA (alkaline or rechargeables)
Vehicle direct connection: to a 12 V battery (via included vehicle cable)
Casing / material: ABS plastic
Effective coverage area (engine bay/space): Up to ~45 m² (≈484 ft²) in some specs.
Operating temperature range: ~ -25 °C to +65 °C (-13°F to 149°F)
Dimensions: 75 × 130 × 34 mm (L × W × H)
Weight: ~ 138 g (net)
Color: Black
Package Content
1 x AR28 Ultrasound Rodent Repellent
1 × USB cable (for DC/USB 5-12 V power mode)
1 × Vehicle power cable (DC cable for connection to 12 V battery)
4 x Cable ties for mounting the unit securely in e.g. an engine bay or other installation site
1 x Scredriver
1 x English User Manual
1 x Packaging Box
Photo gallery full album here.
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