RF card cabinet lock, the capacity is 15 RF cards. 3 colours are optional: Silver, gold, silver with gold edge.

Detail:
L The capacity is 15 for each lock
L Power supply: 3 standard AAA alkaline batteries.
L Battery life: about one year in normal state.
L Function card: Mother Card and Child Card. The Mother Card is used to create Child Card. The Child Card is the key of the lock. The same RF card can be shared by all the locks.

L Sign of failed operation: LED flashes in red and 3 short 'tick'.
L Low voltage warning: If the batteries' voltage is low, when touch RF Card that will be a long successive 'tick' from the buzzer.