With its classic Arts & Crafts motifs of hammered brass and rivet heads, our two-note brass Craftsman Door Chime suits home interiors of many different styles and tastes. Couple with our coordinating 4334 or 9121 Doorbell Buttons, finished to match, like all our exclusive products.A 16 volt transformer is included. If you're planning to use a previously installed transformer, check for compatible voltage. If you are installing door chimes in a home which has never had one, you'll need to buy bell wire - 18 gauge is sufficient - available through hardware stores. See more items from our Doorbells category. Specifications Item # 8382 Finish Shown Burnished Antique Brass Height 13.5" Width 7.5" Projection 3" Voltage 16 Price As Shown Base Total $155.00 Grand Total $155.00