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Description
LM311 OP-AMP ICThe LM311 OP AMP IC is a high speed voltage comparator integrated circuit designed for accurate and reliable signal comparison in a wide range of analog and digital electronic applications. Unlike standard operational amplifiers, the LM311 is specifically optimized to operate as a voltage comparator, allowing it to compare two input voltages and switch its output state rapidly based on the difference between the inputs. It features a wide operating
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.4 ★★★★★
Based on 580 reviews
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Product Reviews
★★★★★ 4
Works but it takes time
It does work but takes a few months to get results.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Amazing!!!!!!!
I love it , love it this is so good first purchase was $ 11.00 now is almost $20.00 this shows how good it is .
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Reviewed in the United States on December 25, 2025
★★★★★ 3
Terrible
Didn’t work
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Reviewed in the United States on November 25, 2025
★★★★★ 5
Works well with my dark skin tone without pale marks
Very good
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Skin Tone is Improving
I have noticed a significant difference in the tone of my skin. It has good texture and makes my skin feel soft. Most definitely wear sunscreen if you are going to be in the sun for long periods of time with this on.
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Reviewed in the United States on June 17, 2025
