The product is good to use The product is highly durable Manufactured in China

Decorative wired door chime, with Walnut accent & black contour cover, 1 or 2 door operation, sounds 2 notes front door & 1 note back door, 7.5"H x 5"W x 2.2"D, new installation requires: 16V, 10Va transformer #Dh905 TV #529-493, & wire #Dh965 TV #529-535, clam shell pack. The product is good to use. The product is highly durable.