GM60 is a QR code scanner with high integration and performance;It is small in size;The barcode and QR code formats that can be recognized include QR Code, Data , PDF417, EAN13, , Code 39, Code 93, Code 128, UCC/ 128 et al.Stainless steel threaded housing simplifies installation troubles. color effects can be set freely.Color: silverMaterial: stainless steel + plasticSPECIFICATIONModel: GM60Type: Barcode ScannerDecoding : QR Code, Data , PDF417,EAN13,,Code 39,Code 93,Code 128,UCC/ 128 Mode: 640 x 480Interface: UARTResolution: 5milSerial Rate(UART): 57600Operating Voltage: 3.3VOperating Current: 70mA: 25%Weight: 25gSize: External Diameter 28mm Internal Diameter 25mmHeight 15mm Thread M25 Angle: Roll 360, Pitch 55, Yaw 55Viewing Angle: 69(Inclination), 56(Elevation)Light: Colorful indicator/green light flashing prompt reading successOperating Temperature: -30 degrees to 70 degreesStorage Temperature: -30 degrees to 85 degreesTemperature Humidity: 5% to 95% Relative humidity, Non-condensingYou can dowload GM60 manual from the following website:https://.dropbox.//buysgr2aeutuub3/AADsvupiGseFm-6IowMBWGCOa?dl=0Package Contents:1 x Barcode Scanner ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.