3 weeks ago

    Compact Laser Pen Video Actual Power Test

    This laser pen have three color laser beam: red, green and blue-violet. It is not only compact and portable,but also…
    3 weeks ago

    405nm 100mW Laser Pointer Video Real Power Test

    This blue laser pen is not only compact and portable,but also widely used and safe.It’s great for pointing objects from…
    3 weeks ago

    445nm 3W Laser Pointer Video Battery Installation

    This 445nm 3000mW blue high power laser pointer can use two 26650 battery and two 18650battery. It can instant light…