ES120 is a newly-designed super-thin LED video light with premium LED technology used for the light ball beautiful and generous appearance high power built-in polymer battery convenient for taking and supporting different charging modes. On the hand the video light can be used to complement and adjust the light to make image much clearer. On the other hand it is equipment that can complement light source which can ensure brighter and clearer image shooting in dark environment. In outdoor it can play a subsidiary role of light source for shooting to emphasize color of the skin and whats more it can lead to special effect for the photographer. Using Instruction: 1. Connected to camera / camcorder freely via the cral head 2. Built-out adapter charge: 1) Connected to computer USB port via its USB cable the 4 LED would all turn on and flash one by one when in charging. ALL the 4 LED are turning on and wont flash when battery fully-charged. 2) Charge with built-out adapter and USB cable via its USB port directly. 3) The 4 LED turn off one by one when discharging. If it reminds low-power when the latest shining LED flashes constantly please charge for the device at once. 4) The lamp has 4200mAh battery full of electricity can support 2.5 hours working time