Tethered security device for use with an electronic key

A merchandise display security system for securing an item of merchandise from theft, the system comprising:

• an electronic key;
• a base configured to be attached to a support surface, the base comprising an alarm circuit and a tether, the tether configured to be extended and retracted relative to the base and to be coupled to one or more items of merchandise, the alarm circuit configured to detect removal of the base from the support surface, cutting of the tether, and/or removal of the tether;
• and
• a lock mechanism that is operated by electrical power transferred from the electronic key to the lock mechanism, the lock mechanism configured to lock to the tether for securing the one or more items of merchandise to the tether, wherein the one or more items of merchandise are removable from the tether when the lock mechanism is unlocked.

A method for securing an item of merchandise from theft, the method comprising:

• attaching a base to a support surface, the base comprising an alarm circuit and a tether, the tether configured to be extended and retracted relative to the base and to be coupled to one or more items of merchandise, the alarm circuit configured to detect removal of the base from the support surface, cutting of the tether, and/or removal of the tether;
• coupling the tether to one or more items of merchandise;
• and
• locking a lock mechanism to the tether such that the one or more items of merchandise are secured to the tether.