Which is better, desktop or 1.7m independent fill light?

Camera fill light is also called camera light, headlight, news light, etc. Its main function is to provide auxiliary light when shooting in the case of insufficient light, so as to get reasonable picture material. Camera fill lamps have excellent control performance, such as adjusting brightness, color temperature and displaying remaining power. In the past, the camera fill light used halogen bulbs, which were connected to the mains. Has been eliminated. Most of them are LED fill lights. Because of its high light efficiency, low voltage, small volume, long life, fast response, strong earthquake resistance, energy saving and environmental protection, it has been rapidly popularized. The new generation of camera fill light lamps all use LED as luminous body and rechargeable battery as power supply. Some of them use an external main power supply.