Features:100% brand new and high quality.Image CMOS Sensor.Snap Shot Software and Hardware.Brightness Control Manual adjustment.Controller High Speed DSP (Driver Free available).Built-in 8 White-light LED and adjustable illumination ensure themagnified images are clear and bright.Specifications:Focus Range: 0mm ~ 40mmVideo Capture Resolution: 0.3MStill Image Capture Resolution: 640*480Frame Rate: 30 f/s under 600 LUX BrightnessDigital Zoom: 5X Sequence ModeMagnification Range: 50X-800X, 50X-1000XPower Supply: USB Port ( 5V DC )Operation System: for Windows XP/Vista/for Win 7 32 bit and 64 bitLanguage: English, Chinese and other language by selectionProduct dimension: 112 mm ( L ) X 33 mm ( R )Package included:1 x Digital MicroscopeNotes before use: 1. Dont dissemble the digital Microscope or change the interior partsit can cause damage.2. Dont clean the Microscope with alcohol organic solvents3. Dont touch the lens with your fingers.4. Avoid outdoor use if possible.5. Storage temperature0C ~ 40CHumidity:45%RH ~ 85RH%.6. In case the product gets wetleave PC connection immediately.And do not dissemble or dry by hair dryer. Send to repair center if the digit microscope was effected by liquid or other elements.7. Measurement Data only for reference.