The DIGITAL PEN CAMERA is a electronic health product for the home. It is a tubular imaging system consisting of an optical lens, an image sensor, an illumination mechanism, and an image transfer control circuit connected to a computer. You can display the images captured by the DIGITAL PEN CAMERA on the computer screen, store them on the computer, print them, or send them over. As a USB microscope, it can magnify stamps, coins, antiques, insects, electric circuits, machines, fabrics, food, decorations, etc. and can also help visually impaired patients magnify small text for reading. Safety instructions: Before using this product, please carefully read the following safety instructions. 1. The socket that the computer is plugged in must be properly grounded, as the computer supplies power to this product. If in any doubt, please have a professional electrician check and verify the grounding to ensure safety. 2. Never use this product in stormy weather. 3. This product contains delicate and precision components. Be gentle when using it and avoid harsh handling or excessive force that may cause damage to the product. 4. The temperature of the handle increases slightly during use and it feels a little warm. This is normal. If the product is overheated and hot to the Press ,immediately cut off the power. Specifications: DSP: High power Digital Image Monarch Processor. Sensor: CMOS sensor, 2M pixel Still capture resolution: 640 X 480,1024 X 768,1280 X 800,1280 X 960,1280 X 1024,1600 X 1200 PC interface: USB2.0 Power source: 5V DC from USB port Magnification Ratio: 1x to 500x Operation system: Windows2000/XP/Vista/Win7, Mac OS X 10.5 or above Size: 150mm (L) x 80mm (R)x 123mm(H) Light source: 8 LED (adjustable by control wheel) Colour:silver Material:Aluminum alloy Package Contents: 2 set x Microscope stand Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a litt