Red laser light illuminates the cutting line Acrylic base has inch and centimeter marks for measuring. Paper size guides are also printed on the base. Adjustable back stop holds documents in place for perfect cutting results. Red laser light is battery powered. Cleanly cuts up to 25 sheets at a time. Document clamp keeps papers in place and reduces fanning while cutting. Guillotine blade is self-sharpening and can lock to prevent accidental blade movement. Includes removable protective cutting shield and carrying handle for safe use and transport. The CL410 model acrylic trimmer has an 15 1/4 cutting length. Backed by the manufacturer s 10-year warranty.