Z-Bar Solo Desk Lamp with power base (USB and AC outlets) (Warm Light; Metallic Black)Z Bar Solo Desk Lamp is the single arm version of the original award winning Z Bar. The single arm makes for a more compact design, and the LED head can fold flat against the body. The LED head can swing up and down and pivot left and right to light up whatever you want. Slide your finger along the touchstrip to dim gradually, or touch anywhere on the strip to jump directly to any brightness, including off. Compatible with optional occupancy sensor