The Falcon Eyes Macro ring light MRC-80FV has 80 LEDs and is suitable for filming video as well as photography. The ring light not only has a continuous setting, but it can also be used for flashes. In the continuous setting, the battery holder supplies power to the lamp. If you need a flash, you can use your camera's hot shoe. The ring light can be used with macro and portrait photography to create perfect, evenly distributed lighting. The light output is continuously adjustable. The lamp can be mounted with one of the included adapter rings. These rings have a diameter of 72, 67, 62, 58, 55, and 52mm. In addition, the Flacon Eyes MRC 80FV is powered by 4 AA batteries.