The Milwaukee 2309-20 M-Spector™ Inspection Scope Kit (9mm) delivers professional diagnostics in hard to reach places. With the smallest camera head in class (9mm), the M-Spector™ allows you to quickly inspect behind walls, in vents, pipes and other hard to reach places. The digital inspection scope provides best-in-class image quality. Crisp, clear images jump off the large 2.7" LCD Display.