The Jolka LED wall lamp emits a pleasant light for reading The Jolka LED reading light allows you to read into the dark evening hours. Jolka is used when it is gradually starting to get dark outside. The wall light is controlled by the small switch on the wall mount. The bright LEDs illuminate a small area. The flexible arm allows you to change the direction of the beam of light. The satin-finished cover ensures that the light is distributed evenly and without glare.