Yongnuo YN568EXN-USA i-TTL Speedlite Flash for Nikon GN58 High-Speed Sync US Warranty (Black)
Product Description : Acts as a wireless slave with full i-TTL for Nikons wireless remote flash triggering system High-speed sync up to 18000th of a second Automatic motorized zooming to match flash coverage area to the focal length of your lens Ultra-fast 3 second full-discharge recycle time with ordinary AA batteries Returns and service promptly performed in the USA for orders that are sold by and shipped from Amazoncom must provide Amazon invoice copy for return authorization