YN-160 II high quality LED beads offer higher brightness more even light pot and longer service life With professional amplifier and noise reduction circuit the built-in condenser stereo MIC offers crystal clear and stereo recording With built-in sensor the camera lamp can automatically adjust its luminance based on ambient luminance making it easier to use The IR remote control provides off camera luminance adjustment and power on and off Professional LED driver IC offers light stability and a light efficiency as high as 93% There are 4 CT filters available for different environments Auto luminance adjustment Better picture sweeter sound easier shooting