USB Digital Microscope Image Sensor: 1.3 Mega pixels Video Capture Resolution 1280x960, 800x600, 640x480, 352x288, 320x240, 160x120 Still Image Capture Resolution 1280x960 Color: 24bit RGB Lens: Dual Axis 27X & 100X Microscope Lens Focus Range Manual Focus From 10mm to infinite Flicker Frequency 50Hz/60Hz Frame rate Max 30f/s under 600 Lus Brighness Magnification Ratio 10X to 200X Shutter Speed: 1 sec to 1/1000 sec. Video format AVI format White Balance: Auto. Exposure: Auto Light Source: 4 LED White Light PC Interface: Mini USB 2.0 Operation system: Windows 98SE/ME/2000/XP OSD Language English Power supply: 5V DC from USB Port Size: 110mm(L)X33mm(R) Accessories A1-Alloy Stand Safety Cover User Guide CD ROM (Driver) Gift Box Packing: Unit: 25 x 18 x 8cm (L x W x H), Weight: Including Metal Stand 120gw 20pcs/ctn. Dimension: 50 x 40 x 25cm (L x W x H) Gross weight: 10.5kgs