Specifications:Display: 2.5 Inch LCD DisplayImage Sensor: 0.3M CMOS SensorController: High Speed DSP Magnification: 500X Focus Range: 15mm - 40mm(Manual)LED Quantity: 8pcs LEDIllumination Scope: 0 - 30000LUXBrightness Control: 3 Brightness Level AdjustablePower Supply: Built-in 5V 800mAh Li-ion BatteryCharging Interface: Micro USB Video Format: AVIPhoto Format: BMP/JPGFrame Rate: 30f/s Under 600 LUX BrightnessImage Resolution: 640*480Operation System: Win XP, Vista, Win 7 32bits&64bits Color: BlackItem Size: 135 * 72 * 58mm / 5.3 * 2.8 * 2.3in Item Weight: 107g / 3.77ozPackage Size: 19 * 16 * 10cm / 7.5 * 6.3 * 3.9inPackage Weight: 518g / 18.28oz This microscope, with 500X magnification and 2.5 inch LCD screen, allows you to see the smallest details in high resolution directly on its screen. It's suitable for industrial inspection, electronic accessories inspection, skin examination, textile inspection, jewelry inspection, collections/coin inspection, printing inspection, and so on.Features:Integrated design with 2.5 inch LCD screen, no need to connect with computer.500X magnification, perfect for you to see the smallest details.0.3M CMOS sensor is great for high-resolution images of your specimens.8 LED lights for illumination in weak light conditions, and the brightness is adjustable.Built-in 800mAh Li-ion battery, convenient for charging via micro USB interface.Handheld microscope, or use the support stand for hands-free operation.You can put the tested items on the plate for close observation.Suitable for electronic accessories/skin/textile/jewelry/insect inspection and so on.