Introduction - If you have any usage issues, please Google them yourself
1, dot-matrix LCD (128* 64) display. In normal circumstances, LCD display system set up in different periods of the menu to choose from. 2, RF card lock, unlock when the card on the reader using radio frequency (distance < 15CM) can be unlocked, if a continuous brush with illegal cards to write more than 3 times the number of alarm (alarm did not add), then the system will shut down swipe card reader 30 minutes after 30 minutes to allow credit card. 3 This system is divided into: 1) 1 host. 2), 2 card reader head (with a credit card at the door for a management operation for the host side)