... 3.Zinc alloy+ABS 4.Durable,convenient and safe Item: digital electronic lock1.Operation :Input password to operate2.Size :Lock panel ... : Zinc alloy + ABS4.Feature:4.1 2 Levels Password--Master code, and user code4.2 1~10 digits password, can as ... quality RF card hotel door lock,RF card locker lock,Digital locker lock,Energy savingswitch,Doorbell switch,Touch screen light switch ...