Features: brand new and high quality 5V/12V/24V plasma generator, model TFB-Y102DJ1, can produce negative ions and ozone with constant and reliable density. Made with high-quality materials and manufacturing techniques to provide the best products. Replacement parts for air ionization and ozonation devices. for Health benefits: The presence of negative ions or anions improves air quality by attaching itself to positively charged particles, becoming too heavy and falling to the floor. Function: Used to eliminate smoke, dust, reduce PM2.5, and eliminate peculiar smell. Multiple applications: used in laboratories, clean rooms or homes, used in various equipment, such as air purifiers, air conditioners, and any other applications that require electrostatic fields. Specifications: Material: Metal Style: DC5V/DC12V/DC24V Highest High Voltage: <-40kv (5g) Power: 0.5w Positive Ion Amount: +2million Pcs/cc Anion Amount: -2.5million Pcs/cc Package Includes: 1x Plasma Ion Generator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.