Major function

 Generating - ion by means of high voltage, thus spurring metabolism and helping pacify nerves and recover from fatigue. 

Composition

 Possible change of input voltage
 Possible output of multi voltage
 Possible addition of exam function

Characteristics

 Generating lots of - ion
 Function to suppress the generation of EMI
 Possible design of wanted composition 

Utility
Air purification function
 - ion generating function
O₃ generating function (underwater sterilization, removal of smell, removal of mold)
 

Application

Air-conditioner, heating fan, air purifier, and automobiles