Fangrui Product Details Sensitive And Accurately Capture Bar Codes 1d, 2d On Labels, Paper, And Mobile Phone Or Computer. Just Plug Into A Standard Usb Port And Start Your Scan, No Drivers Required, No Need For Battery. Automatically Read Code Information Within The Valid Reading Scale. Adjust The Head According To Height And Use Habit. After Turning On The Scanner And When The Barcode Approaches, The Scanner Auto Recognize The Barcode. When The Blue Light Is On, Scanning Is Successful. Specification: Model: T97 Type: Optical Imaging 1d Code: Support 2d Code: Support Phone Screen: Support Computer Screen: Support Transmission Type: Wired Transmission Interface Type: Usb Cable Length: 1.5m Sensor: Cmos Sensor, Pixel: 640*480, 120fps Working Voltage: 3v Dc Working Current: 390ma(max),220ma(typical) Os: Android/switch/ Scan Speed: Max 180cm/sec Basic Code System: 1d: Code 39, Code 32, Code 128, Upc//jan, Code 93, Interleaved 2 Of 5, Codabar, Matrix 2 Of 5, Industrial 2 Of 5,etc. 2d: Qr Code, Data Matrix, Pdf417,etc. Optimal Co