Wait, I found some awesome engrish page to tell me instead:http://www.swatterchina.com/
The earliest sample of Electronic fly swatters is originated in China in 1988. After its improvement and development for several years, the mosquito swatters is popular all over the world with its perfect shape and high effect in killing the mosquitoes.
The swatter is an insect killer which is specially aimed at mosquitoes and flies and made good use of the DC-DC elements diploid compress theory of electron circuit. It upgrades and transforms the 3V direct current (DC) to 1500V direct current (DC). This kind of voltage could only kill the mosquitoes and flies and have no hurt to the human being.
We have a history of making swatter for ten years.
This product is used for urban subway and buses of big size, medium size and small size, characterized by novel design, comfortable holding, firmness and long Timeliness. The joint can circumrotate by 360 degrees. The joint is smooth and serviceable.