Features:New LED flash technology， providing continuous， stable light.Brightness adjustment wheel.Flash mode light output is twice as high as continuous mode.Unique lamp mount to accommodate hotshoe or lenses.Works with flash triggers.Half-pressing shutter activates AF-assist lamp.Three stops of brightness adjustment.New functions to meet higher shooting demands.Left and right flash for more dynamic effects.The best tool for your macro photography needs. Come with 8 lens adapters， 49， 52， 55， 58， 62， 67， 72 and 77mm Specifications:Effective Flash Range: 5CM-1.5M LED Bulbs: 60 pcsBulb Angle: 60�� Supply Power: DC 3.6V-6.7V Color Temperature: 5500K��300K Average Life Span: > 50，000hours Sync Speed: > 1/200S Battery: 4 * AA batteries Power: < 6W Package size: 21 * 14 * 9.5cmPackage weight: 420gPackage Includes:1 * LED Ring Flash8 * Lens Adapters1 * User Manual