NICOR"™s New PrimeChime Plus 2 (PRCP2) features expanded Video Doorbell compatibility (see compatibility list), combining line voltage and low voltage together into a single unit with a built-in transformer. This makes installation clear and simple. The recessed chime hub features five selectable chime tones and five selectable volume settings for true customization. The matte white, snap-on faceplate can be painted for a truly customized look to match your home"™s interior. The PrimeChime Plus 2 can be wired to two separate doorways, each with their own unique chime tone, so you always know which door to answer. Have more entrances? Two units can be linked (daisy-chained) together to cover additional doorways and provide extra sound coverage in larger homes. This PrimeChime Plus 2 kit includes two standard push-buttons (illuminated). Additional decorative and stucco buttons are also available in a variety of colors to match your home"™s exterior. This kit includes mounting hardware, installation instructions, and a 1-year warranty.