In one aspect of the present disclosure, a security device includes a body housing configured to receive a coupler to affix the body housing to an article of merchandise; a locking mechanism configured to maintain the coupler in a fixed position with respect to the body housing and in retaining engagement with the article of merchandise; and a shape memory alloy (SMA) spring configured to alter from a first state to a second state in response to receipt of a wireless signal; wherein the alteration of the SMA spring from the first state to the second state enables the coupler to move with respect to the body housing.
