Trying to understand the essential workings and needs for LEDs

I’m looking at these LEDs & with 1 board it says to use a 120 but I’m wondering if I can simply buy a 240 and only run the 1 quantum board for now until I can afford to grab my 2nd board? Here’s the board I’m looking at.

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A post was merged into an existing topic: I’m look for some recommendations for top end COB LEDs DIY