No, but Holy crap is it a steaming pile of misleading poop most the time. In my mind, roughly 90% of these lamps are inadequate and/or delivering very false specs. It's hard to dig through the crap, for sure.
I take a couple precautions when buying a lamp on Amazon. First, I check and see if they have their own website. If they don't, sketchy. If they do, I run their site specs against Amazon's and look for inconsistencies. Often times bad retailers can't keep their "specs" straight and you'll start to see holes.
Next, I pretty much ignore ANY lamp that has a false equivalent directly in the title. "So and so 2000WATT!!". 2000 watt what? Probably only pulls 200-300 watts and that number isn't an equivalent to anything.... Walk away from those super egregious claims/lies! If the series of the lamp says 1000, 2000, etc, that's fine, just as long as a false wattage isn't presented. Drives me nuts.
Thirdly. External reviews and YouTube. Amazon reviews are brutal. "It was shipped fast 5/5!". That tells us nothing about the lamp😕. Specific YouTubers that buy and test these lamps are really helpful. Gardeners too, not just weed👍". If the product was given to the YouTuber for free... I wouldn't trust it. It's pretty much paid advertising as at that point.
I know this is long, I'm sorry man. But lastly, they lie about their core footprints all the time and you can usually catch them pretty damn quick by looking at the PPFD rating vs their light-footprint claim. They will say something like "It's 950 PAR!... at 12" from canopy". For an adequate footprint we're looking at 18-24 heights with LED's and at these heights, their claim of 950 PAR goes out the window.
It's a seriously dirty and hard to manoeuvre industry. I wish you luck, I hope this helped, and I'm sorry it was so long. It's a very buyer beware market. If you want to shoot the poop further, drop me a line. Cheers 👍