Pixel X800N Standard Wireless Flash Speedlite TTL HSS, Lens Cap,20 Color Filters for Nikon Cameras as YONGNUO YN568EX YN685N 1.pixel x800n Flash speedlite is specially designed for Nikon cameras. 2.Flash Mode: I-TTL/M/PRT, Radio transmission Master/Slave ,S1/S2. 3.SYNC Mode: High Speed Sync,can fire up to 180 times in full power. 4. Recycle Time: less than 3 sec (1/1 full power output). 5.Compatible for pixel king pro nikon flash trigger and YONGNUO YN622N flash trigger.