GM60 is a QR code reader with high integration and excellent performance; It is small in size; The barcode and QR code formats that can be recognized include QR code, Data Matrix, PDF417, EAN13, UPC, Code 39, Code 93, Code 128, UCC/128 et al. The stainless steel threaded housing simplifies installation problems. Color effects can be adjusted freely. Color: Silver Material: Stainless steel + Plastic SPECIFICATION Model: GM60 Type: Barcode Scanner Decoding ability: QR code, Data Matrix, PDF417, EAN13, UPC, Code 39, Code 93, Code 128, UCC/128 Scanning mode: 640 x 480 Interface: UART Resolution: 5 Serial Baud Rate (UART): 57600 Working voltage: 3.3V Working current: 70mA Contrast: Greater than or equal to 25% Weight: 25g Size: Outer diameter 28mm Inner diameter 25mm Height 15mm Thread M25 Scanning angle: Roll 360°, Pitch 55°, Yaw 55° Viewing angle: 69°(Tilt), 56°(Elevation) Light: Colorful indicator/Flashing green light indicating successful reading Working temperature: -30 degrees to 70 degrees Storage temperature: -30 degrees to 85 degrees Humidity temperature: 5% to 95% Relative humidity, non-condensing Package Contents: 1 x Barcode scanner module Only 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.