Denso AT21Q-SM convinces through outstanding performace – it combines high-speed scanning of up to 400 scans per second and reliable reading performance. They read well also poor-quality barcodes. 2D resolution 0.125 mm, 1D resolution 0.10 mm. USB (COM, HID) and RS232 interface. IP42 shielded, drop tested 1.8 M and from 0.2 M X 100 000 times. Confirmation LED (Blue, Green, Red), Buzzer (with 3-level volume control and 3-level tone control). Supported 2D codes: QR code, Micro QR code, SQRC, iQR, Data Matrix (ECC200), PDF417, Micro PDF417, Maxi code, Aztec, GS1 Composite. Supported 1D codes: EAN-13/8 (JAN-13/8), UPC-A/E, UPC/EAN (with add-on), Interleaved 2 of 5 (ITF), Standard 2 of 5 (STF), CODABAR (NW-7), CODE39, CODE93, CODE128, GS1-128 (EAN-128), GS1 Databar (RSS). Interface cable sold separately, USB cable is product 496872-1150 and RS232 cable is 454890-9550. 5 years warranty. Hands Free Stand Black: 454875-0900. Stand black: 454875-0920.