Abstract: A portable electronic lock for luggage, comprising: a housing and a securement member in cooperation with the housing to secure an item to the lock; a locking mechanism in the housing in communication with the securement member to releasably secure the securement member to the housing; a communications module in the housing for operating the locking mechanism to release and secure the securement member in response to a wireless signal; and a secondary release system for releasing the locking mechanism, wherein the secondary release system is selectively operable by a user.