1,Wireless Connection: This scanner allows 400m wireless data transmission, convenient to connect with your computer and PC. 2,Long Lasting: Equipped with 2200mAh large battery, 2000 barcodes are scanned every day, this scanner can last up to 10 working days when fully charged, greatly extending working hours and improving work efficiency. 3,Barcodes Storage: When the scanner is away from the receiver, it will scan and store the barcodes, and then update the data to your device when you return to the wireless transmission range. 4,2 Scanning Modes: There are 2 scanning modes for you to choose from, one is to press the trigger key, another is switch to automatic mode for fast scanning. 5,Double Pairing Mode: One to one mode, many to one mode. In one to one mode, one scanner only sends barcode to one USB receiver. In the many to one mode, multiple scanners can transmit the barcode to a USB receiver, an ideal mode for several people scan at the same time. 1 x Scanner 1 x 2.4G Receiver 1 x Charge Cable1 x Manual Item Type: Barcode ReaderMode: A51DMaterial: ABS, TPUStorage Capacity: 16MBDecoding CPU: ARM32 bit CORTEXTransmission Mode: 433Mhz, WiredPrompt Mode: Buzzer, Indicator LightWorking Current: 3.3V 190MAPower Supply Mode: Lithium Ion Battery 18650 2200mAh (Built in)Working Time: 3 to 10 DaysCharging Voltage: DC 5VTrigger Mode: Key, Continuous Scanning, Self SensingScanning Depth of Field: Approx. 30 to 600mm or 1.18 to 23.62in (Different Barcode Ranges)Communication Distance: Less Than or Equal to Approx. 400m or 1312.3ftStorage: 1751 Set (Within 500 Characters Each)Aiming: 617nm LEDLighting: 6500K LEDSensor: 640x480 CMOSReading Accuracy: 1D Greater Than or Equal to 4mil 2D Greater Than or Equal to 5milDecoding Rate: 300 Times Per SecondPrinting Contrast: No Less Than 20 percent Scanning Angle: Angle ± 360°, Inclination ± 60°, Deflection angle ± 60°Ambient Light Anti Interference: 100000 Lx Maximum, Unreadable in strong sunlightDepth of field 250 Lx13mil EAN13 Approx. 40 to 260mm or 1.57 to 10.24in 4mil Code39 Approx. 60 to 100mm or 2.36 to 3.94in 20mil QR Approx. 40 to 350mm or 1.57 to 13.78in 10mil PDF417 Approx. 40 to 280mm or 1.57 to 11.02in Key Life: 100000 TimesLaser Life: 10000 HoursDrop Test: Approx. 1.5m or 4.9ftOperating Temperature: - 20 ℃ to 50 ℃Storage Temperature: - 30 ℃ to 60 ℃Humidity: 5 percent to 95 percent non condensingDecoding Capacity: UPC, EAN, COGE128, CODE39, CODE 39FULL SACII, CODE32, CODA BAR, INDUSTRIAL, INTEREAVED 2 OF 5 CODE93, MSI, COE11, ISBN, ISSN, CHINA POST, GS1 DATA BAR, ETC. 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.