Pixel X800N PRO [FSK 2.4GHz Wireless Flash Control] Nikon i-TTL Flash Flashes High Speed Sync External Speedlite Flashgun Come with Flash Diffuser X 1,Mini Stand X 1,Flash Portable Bag X 1 1. SUPPORT PIXEL KING PRO WIRELESS TRIGGERING: It can be controlling by KING PRO transmitter directly without attaching the receiver. 2. MASTER/SLAVE: The X800C PRO flash not only supports FSK 2.4GHz wireless control, but also support optical wireless Master/Slave and S1/S2 control. 3. FAST RECYCLING TIME: The X800C PRO flash recycling time is less than 2.5 sec on 1/1 full power output. It enables you to capture more wonderful moments easily. 4. SRROBOSCOPIC FLASH MODE: Its compatible with a variety of flash modes, such as iTTL/M/RPT. It is compatible with all Nikon DSLR cameras. The stroboscopic flash duration is up to 500Hz. 5. ENERGY-SAVING DESIGN: Ultra-high energy-saving design. Due to the advances is boots voltage and stand-by scheme, the battery life is extended and allows 180 exposures with full power. The stand-by time is ultra-long which greatly lowered the battery power consumption compared to other similar products.