139-BEL-5210392-BNK, Builder Chime in Brushed Polished Nickel Contemporary (Transformer not included)

• Wall Mount, Horizontal/Vertical, 7.56in /4.72in Hole Pattern
• Indoor Rated
• 2 Note Chime Uses 139-BEL-540280 Not Included 2 button location Options Compatible for use with most video doorbell systems when using a 16 Volt 30 Watt transformer 139-BEL-540278 (Sold Separately)