1. There are seven levels luminance. Full innovation LED flash technology2. It is easy to connect with universal hot shoe. More approach natural light use high quality LED light3. Both flash and light mode can be used after connection. It meets the higher photograph needs under the innovation function4. Left and right flash function makes the object appeared third dimension. Please read the instruction manual carefully before using this LED ring flash light5. Fit for macroshot, scientific research and personal hobbies of photography. Fits lens in diameter of 40.5mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm Camera.Type: Led Ring LightPower Source:4 pcs x AA batteries (Not Include)Color Temperature:5500KLight Source:Heat radiation sourceCompatible Camera Brand:for Compatible Camera Brand:for Model Number:SL-102CLight Quanlity:384 lightsPower:48WAdjust Brightness:non-polar adjust brightnessVoltage:DC/15VIrradiation Angle:120 degreeAvailable Irradiation Distance:within 5 metersLight Span:50000 hoursBattery use time:more than 2 hoursLumen:2700 lumencolor:BlackMaterial:Optical glass+ABSPackage Contents:1 x LED macro ring light1 x Color Temperature Ring8 x Adapter Ring KitOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.