[Compatibility]:compatible with FUJIFILM X10, X20, X30, X100T, X100, X100S, X-E1, X-E2, XPRO-1, STX-2, X-T10 ;Leica M1, M2, M3, M6, M7, M8, M9, M-E, M-P, M9-P, M-A, M-Monochrom ,M Type 240 ; F-1, New F-1, AE-1 (FD mount) Nikon Df, M2, F3 Sony RX1R II, RX10 II ;Other Brands Minolta XD7, Minolta SR-7, Rollei (LM mount), Olympus OM-1, Hassellad 503CW. | [Material]: Made of brass, sturdy and smooth,giving your fingers bring a constant comfortable touching.It is polished and painted in enamel. | [Easy installation] : screw in your camera,Not only does it play the original function of the product, but also it adds a color to make the camera look more fashionable.The button surface and edge are very smooth. | [Addition Camera Accessories] : Designed to protect the contacts of the hot shoe,Keeping out dust and moisture when no optional accessory attachments are mounted. | [Package and Warranty] :Concave Release Button X 1,Convex Release Button X 1,hot shoe cover x 1. We offer one year warranty and life-time after-sales service,if you meet any problem,please feel free to contact us.