Product parameters:Light source: visible light at 630nm+10nmReadable code speed: 25cm/sWeight: 120gScanning Angle: 45°(horizontal), 30°(vertical)Supply voltage: DC +5V±5%Interface: USBResolution: 640 X 480Fall: can withstand 1.2 meters fall to the cement floorExternal dimension: 170 X 100 X 75 mmLength of data line: 1.4mFeatures:Image technology, can quickly read fuzzy, incomplete, wrinkles and other common laser scanning barcodeApplicable to food and beverage stores, supermarkets, convenience stores, entertainment, department stores, stores and other retail and service industriesEasy to use, easy to operateHigh quality, fine workmanship and durableUse Steps:1. Plug the connecting data cable into the COMPUTER USB interface (plug and play, no driver is needed)2. Place the cursor in the place where you need to enter the scanning information or open a document randomly on the computer. Trace the one-dimensional code or two-dimensional code with the scanning gu n, and the document will be displayed successfully. a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a