Firefly GT600 Wireless Handheld Digital Microscope Sensor Resolution: 0.35M pixels. Still Image Resolution: 720x480 pixels (Format: BMP). Video Resolution: 720x480 pixels (Formats: YUY2, AVI, Frame Rate: 30FPS). Magnification: 10x - 200x (Native Optical), 10x - 600x (Digital). Lens Assembly: Dual Lenses, 3-Layer Glass, 650nm cutoff. High quality multi-layered glass lenses. Lighting: 8 Ultra-Bright LEDs with fully adjustable brightness. Battery: Built-in 800mAH with more than 4 hours continuous usage. Built-in snapshot button for wireless operation. Rugged industrialized construction. Wireless Link: 2.4GHz/4 Channels. Interface: USB 1.1/2.0 and above for Wireless Receiver. Transmits within a range up to 20ft. Software: Scalable Window, Zoom, Freeze, Resolution, Rotate, Flip Region of Interest (ROI), Real time measurements, Automatic/Manual white balance.