1、[Ergonomic Design] Light weight and ergonomic design, barcode scanner feels comfortable and relaxed in daily operation, greatly improving work efficiency. 2、[High Performance Scanning Head] High performance image scanning head, one click scanning of payment code and invoicing code, both receipt and invoicing are correct. 3、[Easy Installation] No need to drive, just connect the data cable to the scanner and computer to use, it is convenient and quick to support all for Windows computer systems. 4、[Protection Design] Key parts such as the gun tip are protected by high elastic engineering shock proof glue, which is resistant to wear and friction and effectively reduces the damage to the scanning gun. 5、[Wide Application] The scanner can read all standard 1D and 2D barcodes in shops, supermarkets, hospitals, ticket gates, warehouses, etc. on the electronic screen. 1 x Handheld Barcode Scanner1 x Connection Cable 1 x User Manual   Item Type: Barcode ReaderMaterial: ABS, PCModel: GT-1900SPower Supply: DC 5V ±5%Power Consumption: 1.4W (Working), 0.85W (Standby)System Support: For Linux, for Android, for Windows XP/7/8/10, for OX SLanguage Support: English; Belgium; Finland; sent; Germany; Italy; Sweden; United Kingdom; Denmark; Norway; Spain; Portugal; Turkey Q; Turkey F; Japan; Russia; Czech Republic; Thailand; Ukraine; Brazil; Greece; Hungary; Netherlands; Poland; Romania; Slovakia; (Support Virtual Keyboard)Sensor: Planar CMOS 1280 x 800Light Source: Red LED LghtingProcessor: 32 Bit ARM MCUResolution: ≥4milError Rate: 1/500 MillionReading Method: ImageTrigger Mode: Key Trigger Mode, Self Sensing Mode, Continuous Scan ModeFeedback Mode: Buzzer, Indicator Light (LED)Print Contrast: ≥25%Recognition Angle: Rotation Angle 360°, Elevation Angle 45°, Declination Angle 45°Reading Code System:1D: Interleaved 2 of 5/Standard 2 of 5/Matri 2 of 5/ ITF-14/Code39-Regular/Code39-FullASCII/Code93-Regular/Code93-FullASCII/Code128/Code11/UPCE0/E1/EAN/GS1-128/Codabar/EAN/JAN-13/UPC-A/JAN/EAN-8/Plessey/GS1 Databar/Code 32 2D: Data Matrix/QR Code/PDF417/HanXin Code/Aztec/Micro QR/Micro PDF417/Maxi code