Broan two-note door chime is the perfect home improvement item, Door hardware may be painted or wallpapered to match any room decor, White door chime has rounded corners, Uses a 16-volt transformer (C905) (sold separately) , Dimensions: 8, 4 inches long x 8, 4 inches wide x 2 inches high, Molded white cover, Materials: Steel, Dimensions: 9, 0x7, 0x2, 0 SKU: CITPNT308