Craftmade CH1000-W Builder Rectangular Door Chime, 8" H x 7" W x 2" D, White

2 Note Chime Uses T1610 Not Included 2 button location Options Compatible for use with most video doorbell systems when using a 16 Volt 30 Watt transformer T1630 (Sold Separately) | Wall Mount, , 7.56in /4.72in Hole Pattern