NuTone LA39WH Decorative Paintable Wired Two-Note Door Chime, White,Broan-NuTone,LA39WH,LA39WH" /> Unique chord tone for front door, single-note for second door Can be painted or wall-papered so it virtually disappears White finish Uses a16-Volt transformer(C905), sold separately 7-1/2-Inch wide x 10-1/2-Inch high x 2-1/8-Inch deep