JJC CL-P4II Lens Cleaning Pen is a lightweight, pen-shaped cleaning tool, which can apply to clean optical parts, such as camera lenses, viewfinders, filters and display screens of cameras, camcorders, phones and tablets. One end of cleaning pen is a soft brush. You can push the button halfway or fully push it to clean the dust, fingerprints and other debris in different parts. The other end is a smart designed dual carbon tip, which has a circular and a triangle cleaning end. The circular end is suitable for the round optical screen cleaning, while the triangle cleaning end fits cleaning angles of viewfinder or screen. There is carbon powder in the cap for supplement, and the non-liquid carbon cleaning compound won't spill or dry out. The carbon compound is non-toxic and environmental friendly, safe for all optical parts. What’s more, two extra dual carbon cleaning tips are included in the package as standbys, and one microfiber cleaning cloth for helping to remove the debris . CL-P4II is an ideal choice for you to clean optical products.