Reddit reviews NADAMOO QR Code Scanner Wireless 2D Barcode Scanner With Stand Supports Screen Scan Handheld CMOS Imager Long Range Portable USB Bar Code Reader with Auto Sensing Read 1D 2D QR Code PDF417 Data Matrix

1D 2D BARCODE SCANNER: easily capture 1D and 2D（QR/ PDF417/ Data Matrix,etc） bar codes on labels, paper, and mobile phone or computer displays.CMOS IMAGING SCANNING TECHNOLOGY: with advanced digital image acquisition function,which can identify screen code, effectively identify blur, color or distorted barcodes, screen barcodes.Two connection modes: wireless connection and USB2.0 wired connection; In wireless mode, with Mini USB Receiver,delivers up to 400 meters/ 0.25 mile transmission in open space, 100 meters/ 328 feet transmission indoor. Easily connected with your laptop, PC etc.Two upload mode :Instant upload mode + Storage mode. Internal offline storage supports up to 10,000 barcodes in offline storage mode. Scan and store barcode when far away from the USB receiver, and then batch update the data to your computer later when ready.Three Trigger Mode: Manual trigger, Auto-sensing, Continuous scanning. There is no need to pull the trigger in auto-sensing mode and continuous scanning. Conbined with handsfree stand, free up your hand thoroughly.