Adesso 4235-22 Sonic 91" LED Arc Lamp This dramatic arc of brushed steel illuminates any room with 2,000 lumens of energy-efficient 24 Watt LEDs The flat square tube extends more than 7 feet and offers a four-way touch dimmer switch to control the light from bright to intimate 4-Way Touch Dimmer Switch Lamp Dimensions: 91" H x 52" W Shade Dimensions: 16.75" Length Base Dimension: 14" Width, 9.75" Depth The 24W LED is integrated into the lamp and not replaceable, but last 50,000 hours! This dramatic arc of brushed steel illuminates any room with 2,000 lumens of energy-efficient 24 Watt LEDs 4-Way Touch Dimmer Switch Lamp Dimensions: 91" H x 52" W Shade Dimensions: 16.75" Length