Neewer FC110 LED Macro Ring Flash Light is high-power LED spot light design for Canon/Nikon/Olympus/Pentax, which is suitable for macro shooting, portrait shooting, jewelry shooting, oral medicine shooting and so on. Note: Camera is NOT included. Features: GN:18 High Brightness LED Spotlight Design - effectively improve the brightness for supplementary lighting, provide adequate brightness for macro shooting. High Precision Manual Adjustment - 8 power levels, each level has 3 fine tuning adjustment, giving you a more precise brightness output and flexible brightness control. Free Option Between Lamp L, Lamp R and Both Lamps - free option between L/R lamps and long brightness mode to achieve a more vivid visual effect. Two Kinds of Color Temperature - equipped with 3200K CT rings, it can helps you obtain the most desirable effects with the correct option of CT part under different environment. Power Saving Mode - 60 seconds without any operation enters sleeping mode, press any key to wake up. Includes 7 adapters (52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm) for different size camera lenses. Specifications: LED: 18 high-power LED lamps Power Supply: 4x AA alkaline batteries or AA NI-MH batteries Color Temperature: 3200K - 5500K Size: 191 x 77 x 66 mm (body); 125 x 116 x 21 mm (lamp) Weight: 180g (ring flash only) Main Functions: Manual/ Lamp A flashing/ Lamp B flashing/ All flash / Long brightness mode Package Contents: 1x LED Macro Ring Flash 7x Adapter Rings