Feature:1. 400X MAGNIFICATION: This microscope has 400X magnification, can quickly detect and understand optical fiber end situation without other tools.2. PLUG AND PLAY: This fiber microscope is designed with 1.25mm, 2.5mm interface, plug and play, simple to operate.3. ACCURATE CONTROL: The fiber optic microscope can instantaneously control the on off switch and finely control the focus.4. MULTI PURPOSE: Both PC end surface and APC end surface can be tested with our handheld microscope, with clear image.5. HIGH SAFETY: Built in laser safety filter, this optical fiber microscope is secure to use, which adopts premium rubber, ABS and aluminum alloy, can be used safely.Specification:Item Type: Fiber MicroscopeMaterial: Rubber, ABS, Aluminum AlloyMagnification: 400XBattery Type: AAA x 3 (Not Included)LED Life: 10,000 hoursLaser Safety Filter: Built inAdapter Interface: 1.25 2.5 ReplaceableControl: Instantaneous On Off Switch Fine Focus Control.Package List:1 x Fiber Microscope1 x User Manual1 x Storage Bag