Wired low voltage doorbell chime kit. White finish molded cover. Includes (1) chime, (2) lighted push buttons and (1) transformer. 2-note melody. 1 year warranty The Heath Zenith 120 rough-in box contractor kit offers a basic style with a white cover. The low voltage chime kit includes the 95B chime, (2) lighted push buttons and (1) UL-Listed rough-in box with 122C transformer. The chime features a basic 2-note melody for the front entrance.