The Balcar P4 Pack is a high-quality flash power supply unit designed for use in photography with compatible 4 PSU flash heads .and more with adapters. There are some scratches and signs of use on this used unit, The P4 pack has just been retested and all is working as it should. Please note again the unit has scratches and signs of retouching in the black area. Please ask if you have any questions  please  to be expected.

I have owned this unit for some time and it has been quit reliable. Tested and working as it should. I am passing on my photo equipment from P4's to booms.