1. Rugged, portable, economic tool. Easy, manual focus of precision optics2. Factory-tested filters to protect eyes from harmful light exposure. Universal adapters allow for inspection of end-faces on many different connector types3. Available in 400x magnification4. Accessible Controls -ON/OFF switch for the light source,and a fine focus control wheel making adjustments easy and convenient5. Universal 2.5mm and 1.25mm Adapter - Each unit comes standard with a Universal adapter that fits 2.5mm and 1.25mm ferrulesItem Length: 1mFiber Type: Single ModeConnector Type: SC/Size: 20cmcolour:BlackMaterial:plasticPackage Contents:1 x Fiber optic microscope(Without 3 AAA alkaline batteries)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.