The LED "floodlight" in the second eBay link you posted strongly resembles the LEDs that caused a fire in an Arizona preschool not long ago, described here:
So be very careful with those ones! If you go for eBay LEDs, I would stick with the Evergrow/Taotronics style as they have a good track record on the major aquarium forums.
Good catch. I didn't even hear about that story. Fortunately no one was hurt.
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I have to go out and buy more snails for my hermit crabs.