new doraemon

Fujiko Nobita reads again at home, Doraemon takes out the props smart combination lock, Doraemon tells Fujiko Nobita how to use it, the usage of the smart combination lock is to put things in the smart combination lock in order not to let others take it Set a password on the smart combination lock to prevent others from taking it.This item is for prevention.With this smart lockbox you can protect things.The advantage of a smart combination lock is that it can protect things and not lose them.

Smart password lock: can protect the door.