BUILDER CHIME MEASUREMENTS: 5 inches tall x 7 inches wide x 2.25 inches deep
SOUND: 2 Notes on Front Door, 1 Note on Second Door
UL Approved for INDOOR Locations
INSTALLATION: Vertical and Horizontal hanging Position; Must Use at Least 18 Gauge Wire Everywhere (from Button to Chime, Transformer to Chime, and Chime to Chime if Wiring More than One)