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: R36Material: Zinc Alloy Frame + Acrylic PanelSize: 86 x 86 x 18mm/3.4 x 3.4 x 0.7inWeight: 150g/5.3ozCard Reader Type: EM Card Or Mifare CardBarcode Type: Qr, One/Two-Dimensional CodeCommunication Method: WIEGAND 26/34/RS232/RS485/TTLDecoding Mode: Image DecodingReading Direction (Bar Code): Angle 45° With The Lens As The Center PointScan Code Characteristics: Automatic Induction, Buzzer PrompOperating Voltage: 8-12vWorking Current: 800maCard Reading Distance (Card): 3~6cmReading Speed: 200msReading Distance (QR Code): 0-20cmWorking Humidity: 10%~90%Operating Temperature: -20~70Operating System: Windows XP/7/8/10), LinuxIndicator Light: Blue Work Light, Green Feedback LightPackage Size:16.5*13*4/6.5*5.1*1.6inPackage Weight: 420g/14.8ozPacking List:1 x Embedded Barcode Scanner