Feature: 1. The ring flash is mounted on the camera lens, the photos taken are more natural and more in line with the visual experience. 2. High‑quality LED lamp beads, the light is closer to natural light, not only a flash, but also a constant‑bright fill light. 3. Equipped with 40.5mm/52mm/55mm/58mm/62mm/67mm/72mm/77mm adapter ring, compatible with multi‑lens. 4. Effective flash range is between 5cm‑1.5m/2.0‑59.1in, meet different photograpy demands. 5. With light weight, the ring light is easy to carry and is not taking up much space. Specification: Item Type: Lens Ring Light with AdapterMaterial: Plastic+AlloyProduct Color: BlackWeight: Approx. 400.0g/14.1ozGuide Number: 15 Effective Flash Range: 5CM-1.5M Color Temperature: 6800K Exposure Time: 1/100 second Battery: AA battery x4 (not included) How to use: 1. Install the corresponding adapter ring to the camera lens 2. The flash lamp holder is stuck on the lens through the adapter ring 3. Install 4 AA batteries(not included) to the flash controller part 4. The flash controller part is installed upper of the camera through the cold shoe port 5. Set the flash parameters, then you can shoot. Package List: 1 x Lens Ring Light1 x Warm Color Diffuser(Installed)1 x 40.5mm Adapter Ring1 x 52mm Adapter Ring1 x 55mm Adapter Ring1 x 58mm Adapter Ring1 x 62mm Adapter Ring1 x 67mm Adapter Ring1 x 72mm Adapter Ring1 x 77mm Adapter Ring1 x Manual Note: If not in use for a long time, please remove the battery