haha, wut? (awful eBay advertisement - more real posts coming soon)

You could be forgiven for not knowing what the hell is being sold here...

1. The newest embedded square LCD display table headers, so that the sewing machine looks more compact, avoiding accidental collision damage to the table header, voltage direct intuitive reflect. More detailed shell process for aluminum panel drawing process, more stylish, shiny appearance. Internal process on all models more excellence, this is definitely a good partner Hi-Fi.

2. 3000W strong load power, together with its two-inductor-current filter, can easily bring all kinds of HiFi, AV equipment, 27 to 50-inch large color TV, three shots projection, LCD rear projection, high-power amplifier and various theater equipment. 

 
3. Made of imported high-quality components common mode, differential mode AC power supply filter, with surge surge absorption, l ightning, the current automatic circuit overload protection. Analog output with professional-level AC voltage meter header, filter output at any time direct the level of AC voltage 220V to audiophile level of the output voltage will be adjusted to your sound system the best audio and visual effects. 

 
4. Filter internal material examination: imported power cable, shielded metal in fever-Germany-jamming WIMA MKP capacitors, German professional filter capacitor. 16A surcharge short-circuit protection. 

 
5. Innovative ground, the line (FireWire) automatically detect whether the circuit that can detect your wall outlet is grounded, zero line and the line (FireWire) is reversed, and indicated on the dial.

Got it figured out yet?  Perhaps this photograph will help.

Yeah, it's a power line filter.

And you know what?  People are gonna buy the hell out of it because it looks sexy and buyers are ignorant.