Bullet_point: ['DETAILS: Oiled Bronze Finish with Frosted White Glass Shade; Light Adjustment Knob for Dimming Function', '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', 'LED ILLUMINATED CHIME DIMENSIONS: 10.325" High x 8.25" Wide x 4.25" Long, Weight 4.21lbs', 'SOUND: 2 Notes on Front Door, 1 Note on Second Door', 'UL Approved for INDOOR Locations'] (Page 1)