JJC LED-48IO Macro Ring Light is a ring shape fill light specially designed for macro photography (close-up). It has 48 pieces powerful LEDs, which can emit light and provide long-lasting lighting for subjects. The 48 LEDs are divided into 2 parts, and each part contains 24 LEDs. The 2 parts can be activated separately or simultaneously to create different levels of brightness. Package includes 49mm-67mm (49mm, 52mm, 55mm, 58mm, 62mm, 67mm) step rings (we also sell 37mm, 40.5mm, 43mm, 46mm, 72mm, 77mm step rings separately) for attaching the ring light onto lenses with different filter threads. The macro ring light is powered by 4 AA batteries in a pack. With the macro ring light, you will get more effective lighting for subjects during macro shooting.