Read a book do the crossword knit and carry out all sorts of other tasks without straining your eyes a fantastic low energy lighting solution for any room this adjustable height floor lamp features the latest smd surface mounted device led technology so much brighter than standard leds the pure white glare free light looks just like daylight whats more at 4w it uses less than half the power of standard leds and up to 95 les than an ordinary reading light there are no bulbs to repla