Not a bad unit, with a very bold design using a microcontroller to run two independent switching converters. The double MOSFET for the fan had me puzzled at first until I reverse engineered it.
The UVC LEDs are actually near-UVA running at less than 10mA each. And before anyone points me to the "research" showing that UVA can also kill bacteria, I'd suggest you actually read it with scepticism regarding the vague results that "it MIGHT be effective in killing SOME bacteria". It looks like marketing research to sell cheap disco lights as having germicidal properties. (But I'm always open to more solid research on this subject.)
That aside, this little cooler unit is quite interesting in that it doesn't just rely on soaking water up wicks in the airflow to give an evaporative cooling effect. It does have those wicks, but supplies water to them - and also directly into the air with an overhead ultrasonic atomiser system.
For the cost this whole unit would be useful just for the case, fan and directable vents. (mumble, mumble, ozone.) It could also be used as a crude low level hazer with the wicks removed and a fill of well diluted fog fluid.
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