1. Easily and quickly scan 1D&2D barcodes through paper, commodity electronic screen. 2. Ability to scan E-payment code 3. Scanning angle is adjustable 4. Auto-induction saving power 5. No need for a driver, plug and play GT-8800G 2D Image Hands-Free Flatbed Desktop Barcode Scanner GTCODESTAR Barcode Reader QR pdf417 for Retail Store The GT-8800G Plus provides great features with enhanced performance. The powerful 2D Scanner and the compact size allow users to aim intuitively with accuracy even if space is limited. Furthermore, it is designed to read barcodes off smartphone screens even when they are in low backlight settings. It is the perfect solution for any space-constrained environments •Enhanced to quickly scan the barcode at low brightness on a smartphone screen • Enhanced scanning on reflective surfaces • Enhanced scanning sensitivity, range, and speed • Enhanced readability in special environments • Easy to use; setting change not necessary for different application