You are purchasing a brand new, never used, FARADAY Chime / Bell in it's original factory box. The model and/or catalog # is 4415B-0-15-120-60. This signaling device is single stroke and compatible with many different types of Faraday and other control panels. This chime when activated produces a very pleasant and beautiful chime sound. These types of signaling devices are utilized in environments where a more quiet, pleasant sound is needed, like in hospitals and libraries. The chime is well constructed, made from all metal No plastic junk here.