Buy from Amazon.com : http://fave.co/1AMKK8w <br /><br />Neewer *High Speed Sync* i-TTL Camera Master/Slave Flash Kit for Nikon D4S D4 D3S D800 D700<br /><br />Product Description : <br />Powerful Flash with High Guide No58ISO 100 180mm High-speed sync up to 18000th of a second Ultra-fast 29 second full-discharge recycle time <br />24Ghz 16 Channels wireless flash receiver Operating distance is up to 100m <br />35 pieces color gel filters for lighting effects and color correction <br />Includes 1NW9852N-II Flash 1Diffuser13-in-1 24Ghz Wireless Flash Trigger 135-Color Gel Filter Set 1Deluxe Flash Case 2 CablesN1-Cord N3-Cord