1,The barcode scanner supports wired/BT/2.4G wireless connection, convenient to use. 2,Adopt COMS image sensor, support multiple one dimensional/QR code scanning. 3,Small and lightweight, wear on the finger, does not affect other hand work. 4,The scanning head can rotate 270° freely, reducing the limitation of scanning and easily dealing with different scanning scenarios. 5,ABS shell, shockproof and anti fall, long service life. Specification: Material: ABS Connection type: Wiredand2.4GandBT4.0 Image sensor: 640 x 480 CMOS, 120FPS Supported barcode type: One dimensional barcode/QR Identify angle: Intersection angle 30°, elevation angle 60°, declination angle 60° Communication interface: TTL-232, USB(virtual serial port), 2.4G wireless, BT Shockproof level: IP42 Working voltage: DC5V 5% Working current: 200mA Battery capacity: 330mAh Item size: 5 x 5 x 3cm /1.97 x 1.97 x 1.18in 1 x Scanner 1 x USB receiver 1 x Data cable 1 x User manual 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.