Neewer&reg; 2.4G Wireless HSS NW880N i-TTL Master/Slave Flash Speedlite Kit for Nikon DSLR Cameras,Kit Include:1*NW880N+1*FT-16S Trigger(Transmitter+Receiver)+1*Universal Mini Softbox Diffuser High Guide No.:60(m ISO 100,@200mm). Super fast Recycle time:approx. 0.1-2.6s. Various Flash mode:i-TTL,Master,Slave, Off, Multi,M,S1/S2.Supports Optic transmission and 2.4G transmission! Wireless Flash Trigger can set power ratios of up to 16 groups of remote flashes. Softbox Diffuser disperses the light over a wider area for a softer, more balanced and natural effect than you didn't use before. Kit includes:1*NW880N i-TTL Flash+1*Wireless FT-16S Flash Trigger Set+1*Universal Softbox