Esky ES011 2.4G Wireless Cordless Handheld Automatic Laser Barcode Bar Code Scanner Reader (32-bit Decoder, Anti-interference, Rechargable Battery, 8K Storage Memory) for Office / Supermarket / Warehouse / Library / Bank / Hotel Uses 2.4G RF bi-directional wireless data transmission module with 30-50 meters communication distance Adopts automatic frequency hopping technology with superstrong anti-inferrence capability; Independent machine ID makes each scanner have unique ID, which can make sure there is no crosstalk even many scanners work in the same time High performance 32 bits CPU, excellent performance in decoding and error correcting capacity with 250K high wireless transmission rate. Decode capabilities: -UPC-A, UPC-E, EAN-13, EAN-8, EAN-14, UCC/EAN 128, Code 128, Code 39, Code 39 Full ASCII, Code93, Codabar/NW7, Interleaued 25, Industrial 25, Code11, MSI/PLESSEY, ISB/ISSN/ISBT, Bearer, Bookland, Code CIP, GERMAN POST, ITF14, ITF16, LOGMARS, DUN-14, Code 32, IMEI Simple inventory mode with 8K memory which can store 500-1000 barcodes data Plug-n-play, USB receiver automatic pairing, no any driver is needed; with built-in rechargable battery