CK1000-FB Flat Black Chime Kit with 1 transformer, 1 chime, 2 white buttons Transitional
2 Note Chime Chime Kit, 2 Notes on Front Door/Single Note on Second Door, 16 Volt/10VA (10 Watts) Transformer and 2 White Buttons IncludedCompatible for use with most video doorbell systems when using a 16 Volt 30 Watt transformer T1630 (Sold Separately)
Indoor Rated
Wall Mount, Horizontal/Vertical, 7.5in /4.7in Hole Pattern