Key benefits - Clear up close-up viewing with precise focus: the image may be blurry at first while you adjust the focus knob; the knob remains visible during focusing until a sharp image is obtained, enabling accurate inspection of small details. - Versatile for a range of items: suitable for evaluating collectibles, stamps, banknotes, jewelry identification, and skin tests, among other small objects. - Quick, ergonomic working distance: keep the lens about 3-5 cm from the object and position your eyes about 5-15 cm from the viewer to suit your vision and achieve a steady, clear view. - USB computer-type with LED illumination: built-in LED light provides consistent illumination for detailed observation and documentation. - Practical compatibility: designed for use with Windows systems, specifically Windows 7 and Windows 8 (drivers required). Not supported on Windows XP, and Android or Apple systems are not supported. What it is - A USB connected digital microscope with an LED light, built for close-up inspection and documentation of small items. How to use - While viewing, adjust the focus knob to achieve a clear image. The initial view may be blurry; continue turning the knob until the image is sharp. - Position the lens 3-5 cm from the object and keep your eyes about 5-15 cm from the device to maintain a comfortable, sharp view. Use scenarios - Stamp and banknote authentication: inspect microprinting, security features, and fine details to verify authenticity. - Jewelry and gemstone inspection: examine markings, settings, and surface characteristics for identification or quality assessment. - Collectibles and small parts: closely examine inscriptions, textures, and minute features for cataloging or verification. Specifications and compatibility - USB-connected computer-type device with LED illumination. - Compatible with Windows 7 and Windows 8 (drivers required). - Not supported on Windows XP; Android and Apple systems are not supported.