Two-Note Door Chime with Molded Cover - (Quantity 3) Walnut or Oak Wood Grain Finish On A Molded Cover With Vertical Grooves Uses A 16-Volt Transformer (C905) SOLD SEPARATELY Dimensions: 6-1/4" X 8-1/8" Replaces Broan Rc121 Note: sold in quantities of 3 (to purchase individual product, see model number SLA120)