ANGEL POS 1510010 receipt Barcode Scanner 2.4G wireless communication, effective communication distance up to 50 meters in open area. Reads good and poor quality barcodes at a similar distance. USB receiver allows connectivity to computer. Stores up to 5000 barcodes. Code11, Code39, Code93, Code32 ,Code128, Coda Bar, UPC-A, UPC-E, EAN-8, EAN-13, JAN.EAN/UPC Add-on2/5 MSI/Plessey, Tele pen and China Postal Code Interleaved 2 of 5 , Industrial 2 of 5, Matrix 2 of 5, more for Request Battery low voltage protection; the scanner emits a long beep when started under battery voltage lower than 3.5V. Special charging circuit ensures charging safety. Rubber Edges and Corners Provide for more Reinforced Protection; Each scanner can be named with an individual ID to avoid interference with others when working in a network. 2.4G wireless communication, effective communication distance up to 50 meters in open area. Reads good and poor quality barcodes at a similar distance. USB receiver allows connectivity to computer.