Fangrui Product Details Robust Decoding: Efficiently Reads 1d, 2d, And Qr Codes From Various Surfaces Including Mobiles And Computers. Handles Distorted, Damaged, Blurred, Or Colorful Codes Effectively. Hands-free Convenience: This Desktop Scanner Offers A Hands-free Operation, Enhancing Productivity With A Wide 62mm Scanning Window And Adjustable Tilt Angle For Comfortable Scanning. Plug And Play: Easy Setup With No Additional Software Required. Connects Seamlessly Via Usb To Pcs, Laptops, And Pos Systems. Wide Application: For Use In Numerous Settings Including Supermarkets, Retail Stores, Restaurants, And Libraries. Efficient Performance: High-resolution Rapid Scanning Rate Of 120 Scans/sec, Captures Barcodes Swiftly With Precision. Sensor:cmos Global Exposure Resolution:640x480 Pixels Tip:buzzer,led Indicator Light Light Source:617nm Red Led Current:240ma Power Supply:5v (powered By The Host) Interface:usb Line Length:1. Identification Code System:1d, 2d Decoding Range:code39 (5mil):0-7cm Code39 (13mil):0-17cm Qr (