Caution: Not to Nikon P6000!

The flash unit is well equipped and handy. The exposure results are also befitting to the Nikon D90.
BUT:
Contrary to the compatibility list of the manufacturer Nissin
[...]
not working the unit at the Nikon P6000. Specifically, the camera displays Although the flash and the flash reflector with zoom optics with, but the flash lamp does not fire.

Conclusion:
A compact flash unit, which is obviously not suitable for compact cameras. Here, the marketing and / or the firmware developer at Nissin are in demand.