USB Microscope - Andonstar 10X to 500x Digital Microscope with the Best Precision Stand 10x to 500x variable Zoom Selectable 1600 x 1200 to 320 x 200 Video and Image Resolution at 24 bit color Professional Precision Aluminum Stand Adjusts up and down or left and right. 8 adjustable led Lights allow you to see every detail Keep it on your desk to view all the fine details around you on your full computer screen.