I have some similar lights and attached the fixture definition I created. It is not exactly the same as yours but might get you started.
You will have to tweak the settings a bit.
It is a little laborious, but set one of them to say DMX address 001 and then use the simple desk sliders (1 to 9 or 11 depending on what mode you set on the fixture) to work out exactly what each channel does. You can then build that into the fixture definition.
I have had quite a lot of fun with my cheap fixtures. Although, I have had to repair a couple of things. One blew an LED in the second use ( the seller sent me a new LED) and I had an interesting job trying to replace it and other, the electronics were packed in so tightly a capacitor was rubbing on a fan. Since those minor repairs were made they have been fine.
