Welcome to our website， we are glad to give you a recommendation of this TT660 Camera Flash. It is suitable for all kinds of brands with a standard hot shoe SLR， including Canon， Nikon， Olympus， etc. Made of the high performance CPU control circuit， it can control the power output accurately. To achieve the lowest 1/128 power flash， it supports 24-105 - mm zooming function. At the same time， with advanced light-controlled led flash mode， fire prevention function of the camera also implements a light-controlled led flash photo. Let you photography more leisure!                                    Features            High quality and practicalHigh performance CPU control circuitAdvanced light-controlled led flash modeSupports 24-105 - mm zooming functionControl the power output accurately                                                             Specifications            Guide Number    58(ISO 100)    <br>Circuit Design    Insulated Gate Bipolar Transistor(IGBT)    <br>Flash Mode    M， S1， S2    <br>Zoom Range    24， 28， 35， 50， 70， 80， 105mm    <br>Vertical Rotation Angle    0 ~ 90 degree    <br>Horizontal Rotation Angle    0 ~ 270 degree    <br>Power Supply    4 x AA Battery or Ni-MH rechargeablebatteries(not included)    <br>Lighting Times    100 ~ 1500 times (AA alkaline cell used)    <br>Recycle Time    Approx0.1~6 sec (AA alkaline cell used)    <br>Color Temperature    5600k ± 200k    <br>Flash Time    1/300s ~ 1/20000s    <br>Dimensions    (8.07 x3.28 x 2.4)" / (20.5 x8.3 x 6.1) cm(L x W x H)    <br>Weight    535 g /18.87 oz     <br>                                                            Package Includes            1 x Flash Light<br>1 x Protective Bag<br>1 x Mini Stand<br>1 x User Manual<br>