Disappointed in the lights

Bought two of these lights and they seemed to work when tested. I mean they turned on and responded to sound as was expected. During an event ( first use) these lights had problems and did not respond to the remote and the buttons in the back. Also could not get the lights to work with the DMX and could not be slaved. Fussed with the light trying everything possible but had no success. Very disappointed as I was very excited for these lights. Luckily we had bought and brought other par lights from other brands that we used with no issues.

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