DESIGNER CHIME DIMENSIONS: 6.7" Height x 9.3" Width x 3" Length, Weight 1.87lbs SOUND: 2 Notes on Front Door, 1 Note on Second Door INSTALLATION: Horizontal / 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: White Wash Finish