Feature: 1. Multifunctional, monocular handheld fiber optic microscope/magnifier/fiber end face detector, which can detect both for PC end face and for APC end face. 2. It can quickly detect the dents, scratches, pollution and other conditions on the FC/SC/ST type fiber jumper/pigtail (male). 3. The image of the fiber end face is clear and the centering is good. It is widely used in industries such as optical communication. 4. The shell is made of high‑quality plastic, waterproof and durable, not easily damaged, and has a long service life. 5. It is an indispensable optical fiber end‑face inspection equipment for operators and engineers in field operations and printing plate‑making maintenance. Specification: Condition: 100% Brand New Item Type: Fiber Optical Microscope Material: Plastic Product Size: Approx. 225 x 39.5 x 56mm/8.9 x 1.6 x 2.2in Power: 3 x AAA Alkaline Battery (Battery Not Included）LED Rated Life: 100000 Hours Control: Instant Switch, Fine Focus Control Safety Filter: Built-In Adaptor Interface: Use Interchangeable Universal or Special Adaptor Measuring Range: Fiber Inspection Purpose: Stain and Scratch Detection of Optical Fiber Interface Instructions: 1. Open the battery cover before use and install 3 AAA batteries with the positive pole facing the light source switch; 2. Insert the optical fiber (jumper) to be tested into the optical fiber interface, and insert the other end into the backlight window, the effect is better; 3. Look through the eyepiece and press the instant on/off indicator to switch (illuminance); 4. Adjust the focus wheel to find a clear observation point;. Package List: 1 x Fiber Optical Microscope (Battery Not Included）1 x Instruction Note: Non‑professional maintenance personnel, do not disassemble or assemble the fiber optic microscope without authorization to avoid damage or loss of core accessories.