Zebra/Motorola Symbol DS4308-SR Next Generation Handheld Omnidirectional Barcode Scanner/Imager ( 1-D, 2-D and PDF417) with USB Cable Scan any bar code on any medium---Scans 1-D, 2-D and PDF417 bar codes printed on paper labels or displayed on mobile devices or computer screens. Omni-directional scanning---Enables true point-and-shoot scanning simplicity by eliminating the need to align bar code and scanner. Largest sweet spot for cant-miss point-and-shoot scanning simplicity---With a decode range that allows users to scan any bar code type at any density nearer and farther than any other scanners in its class, scanning is truly second nature  users just point and shoot. Durable design for superior uptime---Built to survive a 6 ft./1.83 m drop to concrete, the DS4308 delivers reliable operation, despite the inevitable everyday drops Adjustable beeper volume and frequency tone---You get the flexibility to adjust beeper characteristics for your environment  from a quiet boutique store to a noisy light industrial manufacturing production line.