2.4G 1D 2D Wireless Barcode Scanner High Accuracy Quick Response QR Code Reader for Blurry Distorted Codes Item Type: Wireless Barcode Scanner Material: PC, ABS Input Voltage: DC 5 V ± 0.25 V Power: 1.60 watts (working); 0.40 watts (standby) Current: 320 mA (working); 80 mA (standby) 5+/-10% VDC at 350mA Resolution: 640 x 480 pixels Scanning Angle: ± 42 °, ± 32 ° (horizontal, vertical) Sensor: CMOS Wireless Distance: Approx. 50 to 80m / 164 to 262.5ft Reading Accuracy: 1D code 3MIL (Code 39, CODE 128, EAN 13), 2D code 5MIL (QR, DM, PDF 417) Symbol Contrast: Greater than or equal to 15% 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, GS1Databar (RSS), Code 39, Code 11, MS Plessey, etc. 2D: QR Code, DataMatrix, PDF 417, Micro PDF 417, Micro QR, Aztec, etc. Reminder Mode: Buzzer, LED indicator light System Interface: RS 232 serial port wired version; USB keyboard; USB virtual serial port Triggering Method: Manual Cable Standard: Integrated wire Interface Type: USB Temperature: 0 ℃ to 50 ℃ (working); -40 ℃ to 60 ℃ (storage) Humidity: 5% to 95% (non condensing) Setting Method: Manual (scan and set barcode in sequence) Battery: Rechargeable lithium battery 2000mah x 1 (shipped with built in battery)