Usb digital microscope Silverstar" is one of the leading brands in the market today. In 2002, we made a grand entry as manufacturers and exporters of the utility items such as : We would like to introduce to you our best selling gadget for 2007 "usb digital microscope". Due to customer request we have enhanced the digital camera to 1.3 mega pixels, which expands the usage of this product in many more fields Product specifications 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 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