I have been eagerly awaiting this product, as the flies in my kitchen are the annoying type (landing on ones face and doing low level acrobatics etc.). I was a bit worried about the effect this would have on my Karma, but had reached the end of my tether. I was a bit disappointed at first, because i had expected that I would turn it on, and the flies would suddenly swarm into the waiting electric death machine. For an hour nothing happened, so I went out to work a bit disappointed.
When I came home a few hours later there were 20 dead in the tray. Fantastic! One was still moving so I fed that to a spider. This device is a powerful beast. It hums as though its consuming enough power to run a small city.
This morning, I lost one of my best customers.. so Karma was invoked, but has now rebalanced. I think it was slightly offset by me doing a massive favour to the spider.
I have turned it off now. Job Done.