Ikea H&aring;rte LED Work Lamp, Pink, Silver Color Easy to use in different places as you can power the lamp through the USB port on your computer or an ordinary outlet. You can easily direct the light up or down because the lamp head is adjustable. You can light up even the smallest space in your home and put it to practical use with this super-slim lamp. Uses LEDs, which consume up to 85% less energy and last 20 times longer than incandescent bulbs.