Features: ?? High performance decoding chip, can read 1D/ 2D QR codes and IC card, Communication Method: WIEGAND 26/34/RS232/RS485/TTL. ?? Using image scanning technology, it can scan paper code and screen code, fast to recognize the barcodes. ?? The buzzer will make a crisp sound "Beep" to prompt after successfully scanning. ?? Made of high quality Zinc Alloy Frame and Acrylic Panel material, the scanner is durable and not easy to damage. ?? The scanner module can be applied in various occasions such as elevator, community visitors' entry and exit management and son on. Perfect upgrade of traditional card swiping system for various industries. Specification: Model: R36 Material: Zinc Alloy Frame + Acrylic Panel Size: 86 x 86 x 18mm/3.4 x 3.4 x 0.7in Weight: 150g/5.3oz Card Reader Type: EM Card Or Mifare Card Barcode Type: Qr, One/Two-Dimensional Code Communication Method: WIEGAND 26/34/RS232/RS485/TTL Decoding Mode: Image Decoding Reading Direction (Bar Code): Angle 45° With The Lens As The Center Point Scan Code Characteristics: Automatic Induction, Buzzer Promp Operating Voltage: 8-12v Working Current: 800ma Card Reading Distance (Card): 3~6cm Reading Speed: 200ms Reading Distance (QR Code): 0-20cm Working Humidity: 10%~90% Operating Temperature: -20~70 Operating System: Windows XP/7/8/10), Linux Indicator Light: Blue Work Light, Green Feedback Light Package Size:16.5*13*4/6.5*5.1*1.6in Package Weight: 420g/14.8oz Packing List: 1 x Embedded Barcode Scanner