QR code reader and ACB W series 

this video shows you how to use QR code reader with our ACB-W series access control board.ACB-W1 ACB-W2 ACB-W4 ect
and we can generate the qr code inside the software to access doors.
meanwhile,you can set : access limits in time period and times.
if you want to know more details about products usage,welcome to inquiry us at :sales2@s4a-access.com or whatsapp : +86 137 6016 8097