Explanation:THERE R MANY TYPES OF DESK LAMP...BASICALLY IT FOR U TO CHOOSE THE TYPE..IF IT FEELS COMFORTABE..IF IT ADAPT WITH THE SURROUNDING.THERE R TYPES LIKE WHICH ALL POWER UP WITH ELECTRICITY OR ONE WITHH SOLAR ENERGY.THERE R ALSO REMOTE TYPES.ALSO SOME HAVE AUTOMATIC BRIGHTNESS TYPE.IT ADJUSTS WITH LIGHT AND IS ALSO GOOD FOR UR EYES..THERE ARE MANY THINGS ..BUT THIS ALL I COULD MAKE UP
