Reviews Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
Interested in reviews of Deramax-Auto Ultrasonic pine martin and rodent deterrent for car? It got 4.3 out of 5 stars from our customers. Find specific customer reviews of Deramax-Auto Ultrasonic pine martin and rodent deterrent for car below. We will appreciate if you also share your experiences with Deramax-Auto Ultrasonic pine martin and rodent deterrent for car after purchasing.
Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
In stock > 5 pcs
21,710 Ft
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Customer, Dolní Loučky
Rated 19/10/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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Simple mechanical design
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Jan, Klášterec nad Ohří
Rated 17/10/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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I've had it for 4 years and the marten hasn't appeared. Before that, the car was damaged twice. You need to buy the expensive lithium battery, it really does last for a year.
You need to make a holder for it, because it's not possible to mount it with screws without drilling into the car.
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Stanislav, Karviná 4
Rated 05/10/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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The effectiveness is debatable. The martens kept coming back. The product feels low-quality and impractical. Since I have it, I use it as a supplementary "maybe" repellent, but what definitely repelled the martens from my new car, which is extremely attractive to them due to the eco-friendly materials used, was the BROS liquid repellent. I pour it into a small bottle with a sponge and place it in the engine bay.
Poor quality, amateurish craftsmanship.
It's not working.
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Josef, Praha 9
Rated 24/09/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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excellent product
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BFT Management, a.s., Praha
Rated 15/09/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
Verified purchase - review from a price comparison website
Like all other users, I also switched the 'box' on and assumed I had scared off the martens. There's no indicator on the box to show it's working, nor can you hear anything, so I was living in foolish hope.
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Anonymous customer
Rated 14/09/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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Czech product
It only worked for a year – I found out it had stopped working when I tried to change the battery.
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Pavel, Praha 5
Rated 31/08/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
Verified purchase - review from a price comparison website
I've only had it for a short time, so I can't review it yet. I would have just welcomed more information with the product.
For example, I didn't install it in the engine bay (for the reasons mentioned above), but rather under the dashboard. By how much have I reduced the acoustic output in the engine bay? And what impact might this have on its effectiveness against martens? I can only guess at all this, as the manufacturer provided pretty much no information.
Difficult to fit in the engine bay. If you somehow manage it, you then have to lift the bonnet every time to switch it on/off.
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Petr, Praha 8
Rated 06/07/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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Quality
No
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Customer, Jablonec nad Nisou
Rated 28/06/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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Simple and effective
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Anonymous customer
Rated 25/06/2026, variant Deramax-Auto Ultrasonic pine martin and rodent deterrent for car
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After two months, the marten has chewed through the hoses again
difficult to secure in the engine compartment
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