QR Barcode Scanner Eyoyo Wired Handheld 1D 2D USB CCD Barcode Reader For Mobile Payment Computer Screen Scan (Black)

QR Code Scanner Eyoyo Wired Handheld 1D 2D USB CCD Laser Barcode Reader For Mobile Payment Computer Screen Scanner(Black) Specifications: Light Sources:650nm Interface:USB Port; Precision:5mil; Depth of scan filed:10-800mm; Scan Speed:200 times/sec; Pixes:0.35Megapixel; Graphics Format:Bitmap,Jpeg,Tiff; Bite Error Rate:Less than 1/9miollion; Scan Angel:(Yaw):45 degree,Pitch:60 degree; Package Including: 1 x Scanner 1 x USB cable 1 x Manual Troubleshooting Steps 1:Does it a wireless and wired scanner No ,this is wired 1D 2D barcode scanner ,not wireless 2.When i got the barcode it works well on QR and PDF417,But don't work on DataMatrix For DataMatrix(ECC200) the default is off ,if you want open this function ,please scan the code on the manual to open if you don't find it ,please contact us 3.Does it work on Mac Yes ,it does ,but need software to update?please use other system for updat ,like windows system pc or laptop, if you can't make it work on Mac,please contact us. 4:The scanner does not read typical barcodes Code 39 and 128 The is image scanner ,if the code is too long ,or the background is too dark ,it can't scan 5 Does this have a continuous scan setting for this item This one don't support continuous scan 6 what is the smallest size QR code this scanner can read For QR CODE the smallest about 1*1cm 7 Does this scanner can scan 1D code Yes,it does