Item Type: Barcode ScannerMaterial: ABSColour: Black + GrayReading Angle: 360Looking Up: 50Skew: 50Interface: RS232USB COM: KeyboardVoltage: 5V DCWorking Current: 250mAStandby Current: 110mAWorking Temperature: -20 - +60Humidity: 5% - 95% (non condensing)Contact Discharge: ESD 9 KVAir Discharge: 15 KV .wang-edit-text{ font-family:Arial important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Reliable Use: Can scan barcode and QR codes as well, this scanner also has OCR function for high speed scanning. 2Easy to Scan: The reading angle is 360, the looking up angle is 50, and the skew angle is 50, easy to scan. 3Good Fitting: Highly compatible with various devices that have USB port, the QR codes reader has RS232 interface. 4Wide Utility: Widely applied in supermarket, pharmacy, logistics, express delivery, retail store, very practical. 5Smart Design: Unique trigger design is very comfortable to hold, which enables easier operation and connection.