Aputure HR672W Amaran Light (Black) High CRI 95+ Accurate, Pure Light, with Excellent Color Reproduction Energy-Saving Quiet Heat Dissipation; uses ventilation holes and unique technology to cool itself 2.4G FSK wireless control within 100M Dual power system; AC adapter or Lithium batteries Ultra Thin and Durable Design; 32mm in thickness and about the same size as an iPad