ES150 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 vedio light can be used to complement and adjust the light to make image much more clear . On the other hand its a equipment that can complement light source which can ensure brighter and more clear image shooting indark 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 speacial effect for the photographer . Using Instruction : 1. Connected to camera/camcord freely via the crald head . 2. Built-out adaptor charge : 1) Connected to conputer USB port via its USB cable the 4 LED would all turn on and flasf one by one when in charging . ALL the 4 LED are turing on and wont flash when battery fully-charged . 2) Charge with built-out adaptor and USB cable via its USB port directly . 3) The 4 LED turn off one by one when dis-charging . If it reminds low-power when the lastest shining LED flashes constantly please charge for the device at once . 4) The lamp has 4200 MAH battery full of electricity can support 2 hours working time