Many people avoid using a camera's flash because it washes people out, creates harsh shadows, and usually overpowers the background of the photo. You want to take better pictures underwater so you need a Diffuser for your Strobe. The FANTASEA Diffuser for INON S-2000 Strobe will give you Better-Contrast and Richer Colors when Taking-Pictures. The Diffuser attaches easily to the Flash Unit. Use of the Accessory Diffuser Softens-the-Light and helps Reduce Backscatter, so take better pictures with a diffuser on you strobe. Mounting this Diffuser on the S-2000 Strobe increases the Angle-of-Coverage of the Strobe from 105° x 95° to 110° x 110° Circular. The Diffuser also Softens-the-Shadows and the Edges of the Strobe Beam, use of the Diffuser produces a Color Temperature of 4900K and Decreases Strobe Power by 0.5 EV. Diffuser is covered by a 12 month limited warranty.