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  • posted byfacundop07 on 07/21/2016

    Pros: Really cheap. Very Very bright and come with the back aluminum heatsink. Cons: They are not really 3w leds, much less in fact. Resume: This leds are perfect to make DIY projects

    Impression:light,LED,Power;

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  • posted byEridanos on 03/14/2015

    Bought these lights for a microscope project at work. The heat is transferred properly to the star heat sink. Can be easily driven to 3.6 volts at 750 mA. Pro: nice board, good heat transfer and lots of mounting possibilities Con: not to expensive per piece.

    Impression:light,LED,Power;

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  • posted bymtlm on 06/14/2014

    It is cheap, on local stores it would cost 10 times more here in Brazil.Accepts quite a wide input voltage, ranging from 2.5v to 3.8v(hot). Which is good if you want to be able to control how bright you want it. Comes with an aluminium heat sink, essential to allow using it @2.5W. It is not a 3W... Read more

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