It's the Spider Farmer SF300. The SF600 is the same, just longer. Bought here:
Amazon link
I guess if I had thought deeply about the name this might have dawned on me, but apparently a lot of weed growers use these lights. Like that is almost their whole audience it seems!
A little thread from this fall when I was deciding on the light, that has some graphics from the company if you scroll down. Also someone else with the same light very helpfully told me parameters they had tested at home: Thread 'Light height/strength with inflorescences'
https://www.slippertalk.com/threads/light-height-strength-with-inflorescences.57491/
