PROS:* They're LEDs, standard sized* Every one I tested worked* Low power design.* Good price, and good variety.CONS:* Not the very lowest power designI bought these as the best available option for low-power projects, such as lemon batteries. Obviously, the red LEDs give the brightest light for the lowest power, but all of them were about as expected.I like being able to get a variety pack, and this served my needs.
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