NADAMOO Wireless Barcode Scanner with USB Cradle Charging Base 328Ft Long Transmission Handheld 1D Cordless Laser Barcode Reader Portable Bar Code Scanning for Retail Supermaket Warehouse USB plug-and-play, no driver installation needed.Just plug USB into USB port of your device and run a EXCEL/WORD file or other appliaction then scan,barcode is entered into the field your cursor is in.Utility cradle can be used as a receiver or a charging base. Using Wireless Transmission Technology.Delivers up to 400m/437 yd in open area, up to 100m/ 328ft indoor.No Data Cable Needed, freely transmit the barcode to your computer,PC etc. Powerful matching function: supporting 3 kind of paring modes (one to one,one-to-many and many-to-one). One receiver can receive messages from 255 pieces of scanner at the same time. Two upload mode:Instant upload mode / storage mode.In storage mode,the scanner will automatically store the data in its own memory when the data can not upload to the computer (when the transfer distance is too far or there are other signal interruption). It guarantee the data will not be lose.Internal storage supports up to 10,000 barcodes in offline storage mode.You could upload the data to computer when you need it. We offer one year Hassle free warranty,Pack include: Scanner*1, Cradle*1,USB cable*1,Manual*1 Wall or desk mounted ffer charging capacitywhen not in use place the scanner on the cradle where it remain charging. Communicates to scanner via Radio connectivity and receive data from the scanner. <span class="a-text-bold">One Scanner - to - One Cradle:</span> One scanner only transmits barcode to one usb cradle. Several units can work independently with different computers in the same area. If you want to use them on multiple computers, each with own scanner and cradle. They won&#039;t interface with each other during work. <span class="a-text-bold">Max.32 Scanner - to - One Cradle:</span> Multiple scanners transmit barcode to one usb cradle. Ideal in warehourse when several people are scanning barcode to one computer. One usb cradle can connectto 32scanners at most. <span class="a-text-bold">One Scanner - to - Max.8 Cradle</span>: One scanner transmit barcode to multiple usb cradle at a time. That will avoid duplication of effort and save time. One scanner can connect to 8 cradle at most <span class="a-text-bold">Normal Mode:</span> Readbarcodes &amp; upload it straight to the file you have opened. <span class="a-text-bold">Check Mode: </span>when using the scanner far away the wireless signal range. Activate check mode, all scanned barcode will be stored directly into the bulit-in memory of the scanner. You can upload the data to your device when you need it. Internal offline storage supports up to 100000 barcodes. Processes 280 scans per second in real time, delivering superior performance. Provides several scans of the symbol which increases data capture accuracy Add prefixes/ suffixes, delete character. Add keyboard keys (TAB, CR&amp;LF, etc.) to the scanning operation. Enable or disable barcode type Turn on/ off buzzer.