ZKTeco Barcode Scanner 2D, Handheld ZKB202
"2D Wireless Barcode QRcode Scanner
Pixel Sensor: 640 x 480 CMOS
Decoding Depth of Field: 0-15cm
Decoding Speed: 25cm/s
Communication Mode: USB or Wireless 2.4GHz
Wireless Distance: 100m Max., 1 Year Warranty"