High quality and innovative styles set NuTone builder kits apart from the others. Chime kits feature a graceful curved style cover with a rich, textured face. Sold in multiples to Support housing projects, this chime is the perfect complement to the high quality materials today's consumers expect. Basic white textured cover for a design that blends with builder finishing techniques. For use with one or two entrances; two-note chime for front door, separate one-note tone for second door so no guest will be missed. Order as standard pack of six to assist with your planning and still retain that economical edge. Chime wires to a 16-volt transformer so you are assured of uninterrupted service and are never dependent upon batteries (transformer C905, included). one lighted Oil-Rubbed bronze round stucco pushbutton with non-stick action included so you have one less thing to buy and the convenience of a complete package. Refer to your local municipality building Codes to be sure you are installing chimes that adhere to code since they vary by region.