Safe & Reliable: UL listed lamp socket and UL listed electric wire. and the product supports a oneyear warranty. If your glass shade broken, please feel free to contact us. we will help u soon. Your satisfaction and affirmation are our greatest motivation. Dimmable: Dimmable when used with dimmable bulbs and compatible dimmer. Voltage: 110V240V. Uses standard medium E26 base bulbs including LED, CFL, halogen, vintage and Edison bulbs (bulbs not included). Beautiful Chandelier: The sputnik collection is characterized with a modern flair, and the smoke gray glass shades diffuse the light to create a welcoming glow, adding a retro modern accent and ample illumination for hallways, living rooms, bedrooms, entryways or foyer.