This USB Digital Microscope has a magnification of up to 200 times (screen size dependent)- a great USB gadget! The image view is 245mm on a 17' screen which gives magnifications of 35x and 136x. Software included. Product Features:Resolution: 1.3M pixels CMOS sensor:Magnification: The image view is 245mm on a 17' screen which gives magnifications of 35x and 136x:Built-in 4 white LED lights (switchable):Micro touch snapshot:Frame rate: up to 30 fps:Interface: high speed USB 2.0 image transmission (pc):No need for external power supply:Software included:Support operation system: Windows Vista, XP Professional x64 Edition, XP, or Windows Server 2003,


