Product Detail Contemporary design and flexibility Ultra-bright warm white LEDs can be controlled with an adjustable 4-step dimmer Long lasting, energy efficient LEDs will operate for at least 40,000 hours Ideal for larger desks and/or workspaces Includes desk clamp for optional side mounting if the base takes up too much room . The "Koncept Z-Bar Warm High Power LED Desk Lamp, White" is best product for you. We recommended Koncept Z-Bar Warm High Power LED Desk Lamp, White