VILTROX JY670N i-TTL Macro Ring Flash Speedlite Light Flashgun for Nikon SLR Camera close-up dental/medical work High definition LCD panel, Completely compatible with Nikon i-TTL system Come with 6 adapter ring 49/52/55/58/62/67mm ,enable flashlight to couple with lens. mode/ Multi Macro dedicated flash, support i-TTL, Maximum GN. 14 (ISO 100, meter), Flash ratio control Various flash functions: Suitable for macro shooting, Portrait shooting, Jewelry shooting, Oral medicine shooting, etc. Get get the CE, EMC, FCC, RoHS certification , the quality is assured. it comes with 60-Days return-back guarantee when you received the item but you do not satisfied with our item.