Welcome to our store！</br> 1、IMAGE RECOGNITION: The Round 2D codes scanner module uses advanced image recognition algorithms to easily read all types of 1D and 2D barcodes. 2、SCANNING MODE: Round barcode scanner reader module scanning mode for induction scanning, continuous scanning. 3、UART INTERFACE: The QR code scanner module has an on board UART interface, which makes integration into various embedded devices easy and convenient. 4、HIGH ACCURACY: 1D code ≥5MIL, 2D code ≥10MIL, PCB material, long time use without deformation, so as to ensure long term stability. 5、WITH LED INDICATOR: The 2D codes scanner module is equipped with a circular LED display for code scanning applications such as elevators. <p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;Round&nbsp;2D&nbsp;Codes&nbsp;Scanner&nbsp;Module Material: PCB Resolution: 640x480 Scanning Angle: Horizontal 70°, Vertical 55°, Rotate 360° Scanning Mode: Induction Scanning, Continuous Scanning Accuracy: 1D Code ≥ 5MIL; 2D Code ≥ 10MIL Communicate Interface: UART Serial Port (Default 9600 8N1) LED Light: Blue: Code Scanning Green: Successful Decoding Working Voltage: 3.3V Working Current: 120mA Electrostatic Protection: Contact Discharge ±6KV, Air Discharge ±12KV IP Protection: Positive IP54 Operating Temperature: -30 to +70°C Storage Temperature: -40 to +80°C Operating Humidity: 5%RH to 95%RH (Non Condensing) <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Round&nbsp;2D&nbsp;Codes&nbsp;Scanner&nbsp;Module1 x Connecting Line 1 x Cable Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>