The device is otherwise amazingly well made. The hinge of the battery compartment is metal, the equipment foot well. The latter is even provided with a locking pin that anchors the flash after recently turning the screw on the hot shoe. The flash is horizontally and vertically pivotable. Diffuser and a reflector film are integrated. The illumination is already from 35 mm focal length (KB) evenly and Full Frame, with diffuser at least to 28 mm.
It is important to know that this is not a flash system flash and no computer flash. Properly suited is this purely manual device for photographers who unleashed an inexpensive external flash, preferably defined studio environment, looking. It can be ignited by contact center, via sync cable or wirelessly as a slave. In slave mode, the flash fires either immediately or ignoring an emitted from the master TTL metering flash. This works very reliably and with a surprisingly short recycling time, even when tripping in high flash output!
The flash intensity can be adjusted in 8 steps. Unfortunately, both on the device, as well as in the manual lacks an aperture table (which, incidentally, only the Chinese and English languages offers). Thus, the correct exposure has to be just tried. With digital cameras there is no problem, but it is, as I said, only in studio environment defined sense. Anyone simply looking for an uncomplicated flash unit, is better off with a computer flash or even a flash system.
The strengths of this flash are certainly the most affordable price, the very high performance and very fast recycling time. Who wants to deal confidently with the correct and effective illumination of his recordings, can not go wrong here.