Dino-lite ad4112ntl handheld composite microscope, 0.3 mp, 10x – 90x the ad4112ntl dino-lite handheld microscope is a composite (av/video rca output) model with the interchangeable nozzle feature and longer working distance. This model includes both a standard open faced nozzle as well as a sealed transparent cap nozzle designed to protect the lens and built in led lights from dust, debris and moisture common to certain work environments. The longer working distance allows for more space between the end of the ad4112ntl and the object in view. This model connects directly to a television via the rca/component cables and has a magnification range of 10x – 90x.