Stepless Dimming with Memory Function: This LED reading floor lamp features a built-in dimmer that supports full-range brightness adjustment. Press and hold the control to change brightness, then release at the desired level. A memory function restores the last selected brightness when the lamp is turned on again. Height-Adjustable & Fully Flexible Design: The standing lamp offers adjustable height from approximately 47 to 55 inches. A swivel head and 360 degree swing arms allow the light to be directed upward for indirect lighting or downward for focused reading or task use.