Aputure Amaran Halo AHL-C60 LED Macro Ring Flash Light for Canon EOS 1D, 1Ds Series: 7D,5D MarkII,60D,50D,40D,30D,20D,10D 550D,500D,650D,450D,400D,350D,300D New LED Flash Technology, Providing Continuous and Stable Light.Its light output under the Flash mode is twice as high as continuous mode, realize the ture Macro Ring Flash. Six Flash Modes:Full Brightness, Left-side Brightness, Right-side Brightness, Fully Flash, Left-side Flash, Right-side Flash, to meet a variety of needs Unique lamp mount to accommodate hotshoe or lenses.It has 49mm-77mm Ring Mount Half-pressing shutter activates AF-assist lamp Three stops of brightness adjustment