Supermarket USB 2.0 Wired Laser Barcode Scanner - White + Black
Parameters: -power type:visible laser diode the wavelength of 650nm. -Scanning mode: single scan. Scanning speed: 280 + 2 times per second. -Scanning accuracy: 0.10 mm (pcs0.9). -Scanning depth: 0-250mm (0.33mm PCS 90%). -Print contrast signal: minimum 30% of reflection. -Ber:1/900; -Propose type: buzzer indicator light. -Scanning mode: manually.