High quality and innovative styles set NuTone builder kits apart from the others. Doorbell 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 techniquesFor use with one or two entrances; two-note chime for front door, separate one-note tone for second door so no guest will be missedOrder as standard pack of 24 to assist with your planning and still retain that economical edgeChime wires to a 16-volt transformer so you are assured of uninterrupted service and are never dependent upon batteries (transformer C905, included)Unlit rectangular shaped pushbutton with non-stick action included so you have one less thing to buy and the convenience of a complete packageRefer to your local municipality building codes to be sure you are installing chimes that adhere to code since they vary This product ships in approximately 1 days