Marvelous shooting effect starts from this Flash Speedlite. It is a must-have device for each professional or amateur photographer. This flash speedlite offers the photographer the ability to control over the lighting of subjects when shooting outdoors in sunlight or indoors with overhead lighting. This helpful tool will make your shooting image outstanding and different from others. With compact design and light weight， this flash speedlite is easy to install， use and carry. Don&acute;t miss such a practical device for your digital camera!                                    Features                AWL supported for N&acute;s & C&acute;s system<br>    TTL flash with large guide number<br>    Multiple trigger mode supported<br>    Supports auto / manual zooming<br>    Comprehensively supports TTL functions<br>    Super speed of charging recycle<br>    Provides charging socket for external power pack<br>    PC port provided<br>    Sound prompt system<br>    Modeling light function<br>    Advanced settings on flash<br>    Automatic settings saving<br>    LCD panel user interface with metal hot - shoe stand<br>                                                            Specifications                        Circuit design     Insulated gate bipolar transistor    <br>          Guide No     58 (ISO 100， 105mm)    <br>          Flash mode     TTL， M， Multi    <br>          Wireless trigger     N&acute;s & C&acute;s wireless systerm / S1 / S2 pre - flash - canceled mode    <br>          Wireless triggering distance     20 - 25m indoor， 10 - 15m outdoor    <br>          Slave groups     3 (A， B， and C)    <br>          Channels     4    <br>          Zoom range     auto， 24， 28， 35， 50， 70， 85， 105mm    <br>          Vertical rotation angle     - 7 - 90 degrees    <br>          Horizontal rotation angle     0 - 270 degrees    <br>          Power supply     4 x AA size batteries    <br>          Recycle time     approx 3s    <br>          Color temperature     5600K    <br>          Flash time     1 / 200s - 1 / 20000s    <br>          Flash control     8 levels of output control (1 / 128 - 1 / 1)， 22 levels of fine tuning    <br>          External interface     hot shoe， PC port and eternal charging port    <br>          External power     YONGNUO external charging boxes like SF - 18C， SF - 17C    <br>          Additional features     Rear - curtain sync， FEC， FEB， FEV， modeling flash， PC port， power saving mode and over heat protection    <br>          Dimensions     6 x 19 x 7.8 cm / 2.36" x 7.48" x 3.07" (Extended State)    <br>          Display Dimensions     4.9 x 2.2 cm / 1.93" x 0.87" (L x W)    <br>          Weight     576g / 20.32 oz    <br>          Compatible with     Nikon    <br>                                                             Package Includes                1 x Flash Light<br>    1 x Protecting Bag<br>    1 x Mini Stand <br>    1 x Manual<br>