The PrimeChime® Plus keeps all the popular features of NICOR’s PrimeChime® electronic doorbell and now adds compatibility with video doorbell buttons. The PRCP1 combines both line voltage and low voltage into a single unit and offers a paintable, screwless faceplate for simple installation and a seamless look. Separate ring tones for front and rear doors allows you to keep track of exactly which door to answer. NICOR’s lighted button makes your doorbell easily visible to visitors at all times of day, welcoming them to your home.* Integrated transformer* Input: 120VAC/60Hz* Output: 18VAC* Digital control board with speaker* Two distinct chime tones for front (Westminster) and rear (Ding-Dong) doors* Compatible with many popular video doorbell buttons (see compatibility list and/or test for compatibility before installation)* Includes Two(2) Lighted Rectangle Doorbell Buttons