Specially designed to use with macro lenses. For scientific research, medical and personal photography in a very close distance shooting. Provides continuous and stable light for macro shots Includes 8 Mounting Rings (49-77mm). Weight of Ring Body: 125g. Weight of Controller: 60g. Weight of Electricity Charger: 115g. Weight of Stepping Rings: 100g. Coiled Cord Length: Approx. 100cm. Voltage Range: 100-240V/50-60Hz Consists of 48 pieces of LED, higher luminance and lower static power consumption. Compatible with Nikon, Canon, Sony, Panasonic, Leica, Fujifilm, Pentax & Olympus DSLR's Description: This Marco LED Ring Flash is specially designed to use in the field of macro shot, scientific research, medical and personal photography in a very close distance shooting. It can provide continuous and stable semi light or full light to meet higher photograph needs. Fit Device: compatible with all models of Nikon, Canon, Sony, Panasonic, Fujifilm, Pentax & Olympus brand DSLR Package Contents: 1 x Macro ring head 1 x Power control with LCD display 8 x Adapter rings(49mm, 52mm 55mm, 58mm, 62mm, 67mm, 72mm, 77mm) 4 x Flash diffusers(orange, blue, oyster white, and transparent)