Arcane Lock

This non-descript lock is 3 inches wide by 4 inches tall and can be affixed to a closed door, window, gate, container or hatch. This lock can’t be unlocked by any nonmagical means. You and any creatures you designate when you affix the lock can open and close the object despite the lock. You can also set a password that, when spoken within 5 feet of the object, unlocks it for 1 minute. Attempts to dispel the this effect have disadvantage.