Using knob button , press it to switch brightness and color temperature .when rotating it , the brightness (20%-100), or color temperature (3300K-5600K) parameters will be increased or decreased .</br>Topest CRI95 cab completely with perfect color of sunlight and ensure that its light is natural lifelike .apply to portrait , children is , wedding and new photography etc.</br>Has two kinds of power supply mode , you can use Lithium battery such as NP-F550/F750/F960 series when outdoor ,and use the AC adapter when indoor . Please NOTE : the LED light doesn't include battery and AC adapter , if you need , please contact me before you order it .</br>The LED Light has get the CE, EMC, FCC, RoHS certification , the quality is assured.</br>Adopt PWM light adjustment technology , greatly reduced the power consumption , energy saving , which extends the service light in maximum .</br></br>Product Description</br></br>The VILTROX L116T LED light adopts newest LED honeycomb design. It has high brightness , nature and soft lights ,stable color temperature .<br> 116 lamp beads with 3300K-5600K color temperature. 810Lux, higher brightness in same energy consumption. <br> The high definition LCD display let the operation interface is clear . <br> You can adjust the brightness and color temperature steplessly , it's suitable for portrait ,children ,wedding etc . <br> The hot shoe adapters durable metal baseboard ,it can be mounted on DSLR ,DV camcorder and tripod . <br> <br> <br> Package includes : <br> 1 x L116T LED Light <br> 1 x Hot shoe adapter <br> 1 X User manual <br> 1x warranty <br></br><br/>http://www.amazon.com/gp/product/B01KZLM3QC