Wired Bar Code Scanner Bluetooth 2.4G Wireless Barcode Reader for Express Logistics Item Type: Bar Code Reader Input Voltage: DC 5V±0.25V Resolution: 640 x 480 Pixels Scanning Angle: ±42°, ±32° ( Horizontal, Vertical ) Sensor: CMOS Wireless Distance: Approx. 50 x 80m or 164 x 262.5ft Bluetooth Distance: Approx. 10m or 32.8ft Reading Accuracy: 1D Code 3MIL (Code 39, Code 128, EAN 13), 2D Code 5MIL (QR, DM, PDF 417) Symbol Contrast: ≥ 15 percent Wireless Continuous Operation: 72 Hours Decoding Type: 1D: EAN 13, EAN 8, UPC A, UPC E, ISSN, ISBN, CodaBar, Code 128, Code 93, IT F 14, IT F 6, Interleaved 2 of 5, Industrial 2 of 5, Matrix 2 of 5, GS1Databar (RSS). Code 39, Code 11, MS Plessey, etc. 2D: QR Code, DataMatrix, PDF 417, Micro PDF 417, Micro QR, Aztec, etc. Alerts: Buzzer, LEDs System Interface: RS 232 Serial Wired, USB Keyboard, USB Virtual Serial Port Trigger Method: Manual Shell Material: PC, ABS Temperature: 0 ℃-50 ℃ ( Work ), -40 ℃-60 ℃ (storage) Temperature: -40 ℃-60 ℃ ( Storage ), Humidity: 5 percent -95 percent ( Non Condensing ) Setting Mode: Manual (Scanning the setting barcode sequentially) Battery: Rechargeable Lithium Battery 2000mah x 1 ( Shipped With Built In Battery ) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.