NuTone LA14WH Decorative Wired Paintable Two-Note Door Chime, White Grille N/A Imported Built-in for flush mounting White louvered grille can be painted to match decor Two-note chime for front door, single-note for second door Uses a16-Volt transformer(C905), sold separately Cover: 5-5/8-Inch wide x 7-5/8-Inch high; Cutout: 4-7/8-Inch wide x 7-Inch high x 1-7/8-Inch deep