Infrared 4-channel Line tracking/following sensor (For smart robot car)

Infrared 4-channel Line tracking/following sensor (For smart robot car)

Marsoni

M251S

$98.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Infrared 4-channel Line tracking/following sensor (For smart robot car)Feature: Smart car or a robot hunt (including black and white lines), walking path along the black line, also known as tracking. Smart car to avoid obstacle and cliff, anti drop. Can be applied to other automation applications of photoelectric. Specification: Working voltage: DC 3. 3V 5V Working current: try to choose more than 1A power supply Working temperature: 10C to +50C Mounting aperture: M3 screw Detection range: 1mm to 60cm adjustable, the

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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.
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The process was very smooth and fairly quick. The only challenge I had was that the CLAIM status showed complete but I had to manually go look up the status. There was no email or notification it was closed. After manually checking the status, I called customer support and they said since I called in, they would process the payout. I wonder if I didnt call in if they would have processed it? Also, the phone rep said they would issue me a amazon egift card but then the next day I received a email saying they mailed out the payout. Very poor communication but so far the process was easy and fast.

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Reviewed in the United States on April 1, 2026

Verified Purchase

Glen Armstrong

Draper, US

★★★★★ 5

Good protection, easy process

First time filing a claim. Super easy and fast. Nice to have have protection and a smooth claims process when the unfortunate happens..

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Reviewed in the United States on April 25, 2026

Verified Purchase

K. Shockley

Dallas, US

★★★★★ 5

Ease of making a claim and quick return time for claim.

Very easy to work with.

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Reviewed in the United States on May 21, 2026

Verified Purchase

CoolBoomer

Port Orchard, US

★★★★★ 5

Easy Claims Process

It is not a long complicated process to file and resolve a claim. Be warned--sometimes they will want you to send back the defective or damaged product, even if it's not worth the shipping ---they pay. Overall worth the investment though.

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Reviewed in the United States on March 22, 2026

Verified Purchase

Gary Wickey

Whiting, US

★★★★★ 5

Bella food steamer

You folks have been absolutely great to me easy to work with very polite thank you

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Reviewed in the United States on December 14, 2025