1D 2D Barcode Scanner 2.4G Wireless Handheld Bar Code Reader for Supermarket Cashier Logistics Express Delivery Item Type: 1D 2D Barcode Scanner Shell Material: ABS, PC Input Voltage: DC5V ± 0.25V Resolution: 640 x 480 pixels Scanning Angle: ±42°, ±32° (horizontal, vertical) Sensor: CMOS Wireless Distance: 50-80 meters Reading Accuracy: 1D Barcode: 3MIL (Code 39, Code 128, EAN 13) 2D Barcode: 5MIL (QR, DM, PDF 417) Symbol Contrast: ≥15% Wireless Continuous Operating: 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 Triggering Method: Manual Temperature: 0℃ to 50℃ (working); -40℃ to 60℃ (storage) Humidity: 5% to 95% (non condensing) Battery: Rechargeable li battery 2000mAh x 1 (built in)