YK-168 no touch digital keypad with card reader is specially for Electric Door Locking & Security systems,supports touching,code,card+code opening ways,direct programming on keypads,YK-168 provides multi-codes and single common code models optional for users:press # or choose automatic code verification by entering passwords,keypads can work with exit buttons,door bell,keypads are equipped with some security tools like self-locking and Tamper alarming.