The Macro Flash Ring Light uses high-quality LED technology that mimics natural light to get you close shots like never before. Offering a simple-to-use light source, the Macro Flash Ring Light works for pictures or videos. Four clip-on diffusers come with the light to further adjust the quality of light. You can change the light settings using the attached LED power screen. The ring light attaches to your camera using an accessory shoe and requires four AA batteries. Simply mount the ring light to your lens with one of eight included adapter rings: 49mm, 52mm, 55mm, 58mm, 62mm, 67 72mm, and 77mm.