Embedded inside it is a batteryless RF switch, and the way it works is that upon the release of the spring mechanism inside, a tiny bit of power is generated for the 2.4GHz RF transmission ( ZigBee compatible), and whatever device is connected to the RF control outlet on the other end will receive the on or off signal.

ENGADGET: Mitsumi exhibits micro-vibration power generator and batteryless RF switch (video)

The prime minister himself seems to have been stung by the Wikileaks releases, especially the suggestion - promoted mainly by news outlet Al Jazeera - that armed units under his control may have been involved in death squad activities during the worst of the sectarian carnage in 2006-7.

BBC: Iraqis unimpressed by Wikileaks deluge