Security systems and methods for protecting retail display merchandise from theft are provided. For example, a security system includes a sensor configured to be secured to an item of merchandise, and a monitoring component configured to wirelessly communicate with the sensor, wherein the monitoring component and the sensor are configured to communicate with one another to determine a proximity of the item of merchandise relative to the monitoring component, wherein the monitoring component and/or the sensor is configured to initiate a security signal when the proximity between the monitoring component and the sensor is within a predetermined range or distance.