Equo Desk Lamp features a discreet counterweight design for feather-light adjustability. Equo's innovative design has won 11 international product design awards including the renowned Red Dot award in 2011. One finger is all you need to adjust the floating arm's position. The special neck joint maintains the head's tilt as the arm swings up or down. Slide your finger along the stem's touch strip to control brightness and power. The luminaire head is rotatable in 180 degrees and is detachable for easy replacement. Compatible with optional occupancy sensor. Made of Aluminum, Plastic Touch strip for continuous dimming on/off control Optional occupancy sensor LEDs have a lifespan of 50,000 hours 28 LEDs Energy efficient 6 watt energy consumption Two light color options warm or cool Three finish options silver, black or orange Counter balanced for feather-light adjustability Adex Platinum Award 2010 Spark Design Architecture Bronze Award 2010 Chicago Athenaeum's GOOD DESIGN Award 2010 Next Generation Luminaires Best in Class 2010 Red Dot Product Design Award Winner 2011 Bloom Award 2011 Japan Institute of Design Promotion's Good Design Award 2011 Benelux Office Products Award 2011 iF product design award 2012 Interior Design Best of Year Awards 2011 WAN Lighting Awards 2012 Shortlisted Some Assembly Required Part of the Generation 3 Collection Part of the Equo Family Warranty 5 YearsOverall Dimensions 32 L x 7.5 D x 24.5 H Item Weight 4.48 lbs. Please note that this product is designed for use in the United States only 110 volt wiring , and may not work properly outside of the United States.