Do not use it in a humid place like bathrooms.This Microscope is non-waterproof, so keep it dry.Use th e SNAP BUTTON to capture snapshots by hardware photo/video captured by the software is discussed in its manual.Use the LED DIMMER to adjust the LED light brightness.Use the FOCUS WHEEL to adjust focus on the subject.Remove the protective lens cap from the microscope before use.Education research: biological sample, living creature observation, auxiliary reading.Quality checking: material, design, repair, metal surface, printing.Anti-counterfeit: false label, tiny print, forged money, security identification.Medical observation: medicine observation, hair, skin.Bundle software: MicroCapture with measurement & calibration function.OSD language: English, German, Spanish, Korean, French, Russian.Operation system: Windows 7/Vista/XP/2000, Mac OS X 10.5 or above.Light source: 8 LED (adjustable by control wheel).Frame Rate: Max 30 f/s under 600 lux brightness.Focus Range: Manual focus from 10mm to 500mm.Image sensor: 2 Mega Pixels (interpolated to 5MP).200x 2.0MP 8-LED USB Digital Microscope V2.0