Silent ultrasonic rodent repeller

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$30.00 - $43.00 / Pieces | 1 Piece/Pieces (Min. Order)
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Quick Details
Applicable Area:
400-600 ㎡
Pest Type:
Eco-Friendly, Stocked
Place of Origin:
Russian Federation
Brand Name:
i4 Technology
Model Number:
Supply Ability
Supply Ability:
200 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Cardboard box.
Product Description

Mouse and mole repeller «Grad A-550US» is an extremely effective device, guaranteed to protect your household/house from invasion of mice, rats, moles and shrews.

If pests have already occupied your household's territory, several weeks (or even days) would be enough to clear the territory from «intruders». Ultrasonic repeller makes it impossible for mice, rats and moles to continue to stay in the protected area, still the device is absolutely harmless to humans and pets (exceptions are hamsters, pet rats and so on).

Advantages of «Grad A-550US»:
1. Large protection range - up to 550 square meters (5,900 sq.ft.).
Such an astounding range is possible by virtue of transducer's increased power and upgraded algorithm ultrasonic radiation. The device is appropriate for repelling pests both in small and large areas. The smaller the area, the higher effectiveness of the device will be because then all of the repeller's power is concentrated on small volume.
2. Silent operation
Unlike most similar devices, «Grad A-550US» produces no audible sounds! This has to do with the fact the repeller uses ultrasound which doesn't affect people.
3. The device effectiveness doesn't decrease with time because pests cannot adapt to the unique nonrepeating sequence of ultrasound.
Laboratory experiments on pests show that prolonged exposure to unaltered frequency gradually loses effect on pests and they stop perceiving it as a signal to escape. However, «Grad A-550US» uses unique nonrepeating sequence of ultrasound which has no addictive effect on mice, rats and moles. Thus the device will protect your territory for many years.
Also it works without "blind spots", zones where pests can hide.
4. Grid-isolated mode
«Grad A-550US» can operate not only from electrical power supply of 220 V but also from alternative supply (AAA type batteries, extraneous source of direct-current 10-30 V, for example a car battery). By virtue of variety of power sources, the device can be used almost everywhere: in unelectrified places (sheds, basements, cold cellars), outside, underground (for repelling moles).
However, it must be taken into account that when the device is powered from batteries, emitting strength automatically decreases (it needs to save battery's charge).
5. Durable shatterproof housing
The repeller's housing is made of shatterproof plastic making the device resistant to physical impacts (drops from a short height, minor to average hits).
6. Operation at the widest range of temperatures.

Areas of application of «Grad A-550US»:

- Production facilities (plants, factories, warehouses, bakeries, cafes, restaurants, cattle ranches, chicken farms, etc.)
- Household compartments (individual houses, cottages, cold cellars)
- Underground amenities (utility systems, cables, hangars and lift shafts)
- Outside facilities (yards and playgrounds)

The repeller requires no special pre-operation adjustments or settings. It is very simple in use. The device should be installed in the center of compartment at a height of 60 - 70 cm (23,6 - 27,5 inches) from the floor surface. The device can be also hung to a wall.

Package contents:
Pests repeller Grad A-550US
220V adapter
Manual in English

Detailed Images
Packing & Delivery


Our company has been inventing, developing and manufacturing
innovative electronic devices since 1995. At the time we created
an independent subdivision for development and production of
complex electronic systems on the basis of a military facility.
In 20 years of hard work we have come a long way from contract
manufacturing to our own brand of electronics.
Today we have production facilities in the cities of Izhevsk and
Arzamas, and research centers in Nizhniy Novgorod and Izhevsk
where we successfully combine genius minds
and current technology.
In 2008 our products gained high popularity which
resulted in a strong constant demand. We are convinced that our
strategy appeals well to our clients and customers and we will
continue living by it: "Production quality, durable devices which
conform to declared characteristics".
We don't chase low prices of Chinese products, but we are ready
to stand behind the quality, functionality and reliability of
our products. And we are second to none at this!
All our products come with 12 months warranty.


If you are not 100% satisfied with your purchase, you can return
the product for a refund or exchange it.
You can return a product for up to 30 days from the purchase
date, with return shipping covered only if the item is defective or
not as described. Any product you return must be in the same
condition you received it and in the original packaging.
Refunds are processed after the returned product is received and
If the product arrives in damaged packaging, we recommend
filming the opening process.

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