An architect friend of the once said to us my favorite colors are concrete, metal and wood. We love this saying, and the Alo is for the people who do too. Solid walnut, raw brushed aluminum, and a molded concrete head - honest and clean.Suitable for the Office or Bedroom Walnut body, brushed aluminum arm, concrete head Articulation - head tilt Energy efficient LED light source Fully dimmable with No flicker Wood grain will vary Made in the USABulb Type: LED Collection: Alo Color accuracy: 82 CRI Designer: Yes Dimmable: Yes Eco Friendly: Yes Handmade Assembled: Yes Height: 17-1 2 Input voltage: 12V DC (adapter included) Length: 6-1 2 Light color: 3000° K (warm) Light output: 420 lumens Power usage: 8.3 Watts Weight: 5 Width: 5 Wood Finish: Oiled walnut