... of Hotel lock, Electronic lock, Magnetic IC card lock, TM card lock, RF card lock,cabinet lock Cabinet Lock.l ... Function cardMother Card and Child Card. The Mother Card is used to create Child Card. The Child Card is the ... flashing. After 8 seconds you touch the last card, the LED stops flashing)2. Terminate Child ... Unlock the lock: Touch the Mother Card or Child Card lightly to the hole of lock, after ...