As a small minority of electronic door locks, standard electronic door locks are used for small hotels , home , office ,also some apartment , student apartments .Compared with hotel door locks with software , standard electronic door locks do not need software . It’s easy to operate , issue a mastercard from the electronic door lock reader first , then with this master card you can program other room cards .  It no need door lock software and connect with computer , so the room cards have long time valid .