Widely recognized,You can scan barcodes, QR codes, Alipay, WeChat and other payment codes on your phone screen,(Commonly used one-dimensional code, two-dimensional code, etc.) indicator light,The power indicator is on and the scan success indicator flashes green. Scan window,Adopt visible window panel with strong light transmittance. Smart buzzer,There will be a prompt sound after the scan is successful. The sound is crisp and powerful, which is very user-friendly. High rebound button,Use high rebound buttons and add limit protection design. Working current: 3.5V±10%X40MA Scan width: 30CM Decoding CPU: ARM32-bit CORTEX Prompt method: buzzer, indicator light Trigger mode: button, automatic continuous scanning, self-sensing Source: 650NM visible laser diode Scanning depth of field: 30-600MM (different barcode range) Decoding capability:UPC/EAN, CODE128, CODE39, CODE 39 FULL ASCII, CODE3 2.CODA BAR,INDUSTRIAL /INTERLEAVED 2 OF 5 CODE93,MSI,CO DE11,ISBN,ISSN,CHINA POST,GS1 DATA BAR,ETC. Colour:As Shown Material:ABS Package Contents: 2 x Wireless Scanner Only the above package content, other products are not included. Note: Light reflection 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.