1、High Sensitivity: Wired barcode scanner adopts high sensitivity CMOS sensor, which has superior performance, fast scanning speed and high recognition rate. 2、High Recognition Rate: Wired barcode scanner supports reading positive and negative barcodes (white bars on a black background), and barcodes under distorted, slightly damaged, tiny, fuzzy and other conditions can also be read. 3、Durable Shock Resistant: The USB barcode reader is ergonomically designed and made of ABS, making it durable enough to withstand repeated drops from 6.6ft/2m to concrete. 4、Plug and Play: QR barcode Scanner has a USB cable connection, no need to install any software or drivers. Supports connection with devices with USB interfaces such as computers and laptops. 5、Wide Application: 2D handheld barcode scanner is widely used in supermarkets, libraries, retail stores, warehouses, logistics, banks, postal services, industrial and manufacturing process management, etc. 1 x 2D Handheld Barcode Scanner 1 x User Manual Item Type: 2D Handheld Barcode ScannerProduct Material: ABS,PCInterface: USBSensor: CMOS 640 x 480Light Aimer: 624nm LEDCPU: ARM 32 Bit CortexCode Reading Accuracy: 4milDecoding Ability: Standard One Dimensional Code, Two Dimensional CodeScanning Speed: 500 Times / SecondScanning Angle: Rotation Angle ±360°, Inclination Angle ±65°, Declination Angle ±60°Drop Test: 2mScanning Method: Button Triggering Method, Continuous Scanning Method, Automatic Induction Method