Tumax TTL macro & portrait ring flash compatible with Canon E-TTL, Nikon i-TTL, Pentax P-TTL, Olympus TTL and Sony ADI cameras.

Connected to the Digital Flash Unit DMF880 for macro photography; DMF880 becomes the controller of DMR.
Features two flashtubes on the sides of the macro flash; Both can be turned on or off separately to produce different lighting effects.
 
Specifications
Guide no. (ISO100/ DIN21)    6(m) X 2
Supported Metering System    Depending on the Digital Flash Unit DMF880 it is connected to, this macro flash can support Canon E-TTL, Nikon i-TTL, Pentax P-TTL, Olympus TTL and Sony ADI TTL metering system.