.Built-In 2.4GHz X Wireless Radio System..Compatible with Nikon i-TTL.

.Bare-Bulb Design with 360Ws Output..Power, speed, and wireless operation are all benefits of this Portable Flash Kit which here includes a Power Pack so that you have all the essential equipment 

needed to go out and start shooting. This setup provides you with a powerful bare-bulb lighting system that can output approximately 450 full-power flashes.

• Mounting Method: speedlite body is hold and fixed by a big mount, which provides a stable and secure support
• Functions: With Bowens-mount, Speed ring, Umbrella input, Direction-adjustable handle, Horizontally-movable ability
• Structure: Compressed and flat structure takes up little space
• Installation: No pre-assembly and post-disassembly
• Size: 40x40cm