Model:GM60-SType:Barcode ScannerDecoding Ability:QR Code, Data Matrix, PDF417,EAN13,UPC,Code 39,Code 93,Code 128,UCC/EAN 128Scan Mode:640*480Interface:UARTResolution:5milSerial Baud Rate(UART):57600Operating Voltage:3.3VOperating Current:70mAContrast: greater or equal to 25%Weight:2gSize:Diameter 21mm Height 12mmScan Angle:Roll 360°, Pitch 55°, Yaw 55°Viewing 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-condensingColour: as shownMaterial: composite materialPackage Contents:1 * GM60-S Ring IndicatorOnly the above package content, other products are not included.Note: Light shooting 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.