Dnts digimicro mobile is a revolutionary completely portable usb digital microscope camera designed to be used independently of a pc thanks to its flip out lcd screen lithium ion battery and sd card its 5 megapixel camera and 500x magnification range put the digimicro mobile in the higher quality bracket but its total portability and innovative feature set it apart from the resttotally portable operationthe supplied high capacity 37v rechargeable lithium ion battery 800mah gives 4 hrs