Cheap And Discounts 13.56Mhz Waterproof Standalone QR Scan Touch Keypad Support Mifare IC Card Access Control QR Code Reader With RS232 RS485 Uart Wholesale. Buy Directly From Merchant Shop1104268713 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.