The strobe runs with four rechargeable AA-size batteries, has a maximum light power output of 150W, is made of machined aluminium, and has a built-in leak detector and 13 power settings, plus various user-programmable settings. Its beam angle is 130 degrees, and its colour temperature is 4900K. With a set of fully charged batteries, the Retra Flash PRO provides 150 flashes on 100 per cent light output.
A standard feature: The strobe can be triggered by optical cables, which are compatible with INON and Sea&Sea housings.

Furthermore, an additional converter allows the usage of standard sync cables. Other optional accessories include snoots, dome diffusers and protective
covers.