Broan BK125LWH NuTone Chime Kit (2 Lighted Push-Buttons， 1 Transformer)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Basic white textured cover for a design that blends with builder finishing techniques for multi-family dwellings</li><li>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</li><li>Order as standard pack of 24 to assist with your planning and still retain that economical edge</li><li>Chime wires to a 16-volt transformer so you are assured of uninterrupted service and are never dependent upon batteries (transformer C905， included)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51dZ-bgGa-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31d75GyveML.jpg" noproxy>