★★★★★ 5
terrible item
it worked a few times and it doesnt work at all! Terrible item!
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Reviewed in the United States on June 7, 2026
RAK Wireless WisBlock 4-20mA interface Module RAK5801
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
RAK Wireless WisBlock 4-20mA interface Module RAK5801RAK Wireless WisBlock 4 20mA interface Module RAK5801 RAK5801 is a WisBlock IO which extends the WisBlock system with two current measurement inputs. The current is converted into a voltage that can be read by the analog input pins of the WisBlock Core module. A ready to use SW library and tutorial makes it easy to connect any sensor that is using a 4 20mA current output. RAK5801 supports two 4 20mA interfaces and has a 12V power output to supply
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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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Based on 1082 reviews
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Product Reviews
★★★★★ 1
Very dangerous metal shavings!!!
Negative stars if I could.
This is a very dangerous product. It worked well for a while. But then it quit effectively removing the lid instead I got little tiny shavings of metal around the edge. These shavings of metal go into the food and very dangerous.
So this was a waste of money and incredibly dangerous. I am throwing it in the trash today.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Practical and easy to use
This electric can opener performs its function well and gets the job done effortlessly. With just the press of a button, it opens cans quickly and smoothly—which is very useful, especially if you prefer not to exert physical force. The design is comfortable to handle and does not take up much space in the kitchen. The battery life is good, and it recharges without any issues. Overall, it is a functional product that makes an everyday chore much easier.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Works great
Ive broken so many manual can openers from sheer strength and this eliminates that issue not only because it no longer needs my input but because this device actually works! Would definitely recommend it. Usb c charging is a god send, no batteries!
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Reviewed in the United States on April 20, 2026
★★★★★ 4
Works well
I have trouble turning it off. I need to find my instructions.
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Reviewed in the United States on May 15, 2026
