Features: The barcode scanner supports wired/BT/2.4G wireless connection, convenient to use. Adopt COMS image sensor, support multiple one-dimensional/QR code scanning. Small and lightweight, wear on the finger, does not affect other hand work. The scanning head can rotate 270 freely, reducing the limitation of scanning and easily dealing with different scanning scenarios. ABS shell, shockproof and anti-fall, long service life. Widely used in retail, catering, supermarket, logistics, clothing industry, etc. Specification: Material: ABS Connection type: Wired+2.4G+BT4.0 Image sensor: 640*480 CMOS, 120FPS Supported barcode type: One-dimensional barcode/QR code Identify angle: Intersection angle 30, elevation angle 60, declination angle 60 Communication interface: TTL-232, USB(HID-KBW, virtual serial port), 2.4G wireless, BT Shockproof level: IP42 Working voltage: DC5V5% Working current: 200mA Battery capacity: 220mAh Item size: 5 * 5 * 3cm /1.97 * 1.97 * 1.18in Packing list: 1 * Scanner 1 * USB receiver 1 * Data cable 1 * User manual Note: If the barcode reading is incomplete, please ask the customer service staff for instructions.