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Sigma Lambda Controller Free 2

Marsoni M251S
Sale price$42.95
Pay 4 payments of $10.74 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Sigma Lambda Controller Free 2SLC Free 2 will only work with genuine Bosch LSU 4. 9 sensors. Clone sensors are not compatible. SLC Free 2 is the successor to our very popular SLC Free Open Source Wideband Lambda Controller. This new version requires much less assembly than the previous version. Most components are now surface mount and come pre soldered to the PCB. Soldering of two Molex connectors and two 16 pin headers, as well as constructing cables, is required. All components
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 275 reviews
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Product Reviews
M
Verified Purchase
Meilin Hernández
New York, US
★★★★★ 5
Definitely a fun and engaging toy for dogs.
My dog absolutely loves this interactive toy. It keeps him entertained, active, and mentally stimulated for a long time. The quality is great, it feels durable, and it’s perfect for reducing boredom when indoors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
L
Verified Purchase
LJax
Whiting, US
★★★★★ 5
Fun, interactive toy!
So much fun! Bought this for my lab. She wasn't sure what to think of it at first but seems to love it now! I like that it's rechargeable too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
S
Verified Purchase
Sandy K
Fort Morgan, US
★★★★★ 5
Happy puppy.
Color: Blue
My puppy loves his. He carry's it around and throws it. He knows how to turn it on himself. Charges quick.
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Reviewed in the United States on May 6, 2026
M
Verified Purchase
May
Bozeman, US
★★★★★ 5
Overall, I highly recommend it!”
Great toy! My dog loves it 🐶 The ball moves on its own and keeps him entertained for a long time. It’s perfect when I’m busy or not at home. Good quality and fun, but maybe not the best for very aggressive chewers.
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Reviewed in the United States on April 5, 2026
L
Verified Purchase
Liz Morgan
Waukegan, US
★★★★★ 2
Puppy loves it but the battery is awful
Color: Blue
Our puppy loves playing with this ball, it does what it says and keeps her occupied for the entire 10-15 minutes the battery lasts. I have to charge it several times a day, though the light never flashes red when the battery is low, it just doesn't work anymore. It also makes a beeping sound when she's playing with it that is super annoying, which sucks because the ball itself isn't super noisy even in the hardwood floors. I wouldn't purchase this again, and we'll probably have to toss it out within a week or two, I really don't see this thing lasting very long. Without the movement, it isn't a ball we would let her play with because she is a strong chewer and the material doesn't seem chew proof at all. I'm only giving it 2 stars because she really does love playing with it, but the battery life and beeping sound are atrocious.
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Reviewed in the United States on May 2, 2026

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