Frame crafted of solid steel Shade is made of blown glass Fine mouthblown glass may reveal the artisan's touch in the form of small air bubbles or a slightly asymmetrical form. These are typical of a one-of-a-kind, handcrafted work of art. Rated for one 40W max. E14 candelabra bulb Bulb included Color temperature 2700K; CRI 100 If brighter light is preferred, consider an LED bulb with a higher lumen output. Dimmer switch compatible 110-220V Hardwire Requires installation by a licensed electrician. RH delivery service does not include installation. Wipe with a soft, dry cloth; avoid the use of all cleaners and abrasives, as they will damage the finish