THESE ARE HALOGEN BASED CONTINUOUS LIGHTS. THESE KINDS OF LIGHTS HAVE BEEN TYPICALLY USED FOR PHOTOGRAPHY, FILMMAKING, AND VIDEOGRAPHY. THEY PRODUCE A BRIGHT, 3200 KELVIN HARD LIGHT WHEN USED DIRECTLY. THE QUALITY OF LIGHT CAN BE CHANGED WITH VARIOUS LIGHT MODIFIERS, THE MOST COMMON OF THESE BEING SOFTBOXES.