Neewer&reg; NW910/MK910 i-TTL HSS LCD Screen Master/Slave Flash Kit for Nikon DSLR Cameras,Include:(1)NW910/MK910 Flash+(1)35 Color Filter+(1)Soft&Hard Diffuser+(1)Wireless Flash Trigger+(4)LR Battery Powerful Flash with High Guide No.60(ISO 100, 180mm). High-speed sync up to 1/8000th of a second. Flash Mode: TTL/M/RPT/HSS/MASTER/SLAVE/S1/S2;Support Front-curtain,Rear-curtain sync, FEB, FE Lock, AF assist beam, setting custom function, power saving mode,over heat protection, flash exposure compensation and memory function. 35 pieces color gel filters for lighting effects and color correction. The remote trigger for studio flashes and outdoor flash is used as the controller of synchronous trigger studio flash of cameras. It consists of a signal sender and a receiver trigger and works by means of the frequency modulation wireless remote control. Kits include:(1)NW910 Flash+(1)Universal Mini Flash Bounce Diffuser Cap+(1)35-piece Color Gel Filters+(1)Flash Diffuser+(1)16 Channels Wireless Remote Flash Trigger+(4)LR Battery