The STAR cordless system 2.0 wireless technology allows for scanning without interference of the radio network - through Wi-Fi or obstructions such as walls. The effective range is up to 25 m. Thanks to its multi-interface you connect the scanner via USB, KBW and RS-232. This keeps you flexible and makes any future change of the connection type simple. Replace the 1,400 mAh rechargeable battery without tools and charge it without the charging station simply by plugging it in. Per battery charge you perform up to 30,000 scans. The QM2131 works at a speed of up to 400 scans/second. The good read confirmation occurs via an acoustic signal, the Datalogic Green Spot or a notification LED.