CHIME DIMENSIONS: 8.38" High x 7" Wide x 2.25" Long, Weight 1.98lbs SOUND: 2 Notes on Front Door, 1 Note on Second Door INSTALLATION: Vertical 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), and Must Use a 16 Volt Transformer UL Approved for INDOOR Locations DETAILS: Metropolitan Bronze Finish Tubes and Peruvian Bronze Finish Cover