A security device is provided for attachment to an object having one or more security features for preventing unwanted removal of the security device from the object. The security device may include any one of a surveillance device, such as an electronic article surveillance tag, and an inventory device, such as a radio frequency identification tag. In a particular embodiment, the security device has at least two security features, one security feature comprises a support member that is configured to engage a head of a key, wherein the key is configured to provide a force to allow the support member to move a clip between a first state, a state that prevents the release of a pin from the clip, and a second state, a state whereby the clip allows the release of the pin from the clip. Another security feature comprises a lock moveable between a locked position, the locked position preventing the support member from moving the clip from the first state to a second state, and an unlocked position, the unlocked position allowing the support member to move the clip from the first state to a second state. A key is also provided, the key configured to apply at least two forces to a security device, one of the at least two forces respectively applied to each of at least two security features of the security device.