September 19, 2017

    Comparison of 3 kinds of high power laser pointers

    Today we compare the three most popular high-power laser flashlights on the market.   Blue 2000mw laser pointer Advantages:  Cheap;…
    September 18, 2017

    The secret you must know before buying a laser pen

    Sometimes you buy a 3W laser pointer,found not as good as the original 1W laser pointer power strong. Obviously, you…
    September 18, 2017

    Which wavelength laser has better combustion performance?

    Different laser wavelengths which band burning something stronger? 405nm laser has the most powerful to burn object, but portable laser…