Powerful Flash with High Guide No. 58 (m) / 190ft(at 105mm focal length??ISO 100 in meters/feet).</br>Charging socket for external power pack: adds a charging socket for external power pack. PC synchronous port: simple for you to use the PC synchronous line.</br>Vertical rotation angle:-7 to 90 degrees??Horizontal rotation angle:0 to 270 degrees.</br>Flash duration: 1/300 to 1/20000s.</br>Note:flash only?? camera not included!Does not compatible with Nikon D2X</br></br>Product Description</br></br><b>Note:flash only?? camera not included!Does not compatible with Nikon D2X</b> <p><b>Features:</b> </p> <p>High GN: 58 </p> <p>Wireless trigger sensor </p> <p>Electrical socket outlet </p> <p>PC synchronous interface </p> <p>Recycle time 3 second (with 4 pcs AA alkaline cell) </p> <p>Support Multi-flash lighting Application (S1/S2 mode) </p> <p>Power saving mode </p> <p>Accurate brightness control </p> <p>LCD display </p> <p>Metal hot shoe </p> <p>S