Negative ion generator Encapsulated Component Module part # EDion With PC board Micro needles Stainless Steel Pin emitter and NEW extra Long High Voltage Cable 12 inch (30cm) Included technical documentation to test the negative ion density Performance Ion density: 1.1 trillion ions/cc at 2.9 cm from emitter Ion output: 10 trillion ions/second Ion output voltage: -7500V Coverage: 200 square feet based on HVAC installation Particle effectiveness: as small as .01 micron Power use: less than 1 watts Power requirements: 12VDC. Please use extreme caution when working with this item and do not purchase this if you are not knowledgeable of high voltage safety precautions.