Description: 【Easy To Use】: This DC12V Negative Ion Generator is designed for easy setup and operates quietly, ensuring it will not disturb your environment while effectively purifying the air 【Wide Applications】: Finely crafted for durability, this Negative Ion Generator is suitable for a wide range of applications, including air conditioners, air purifiers, fruit and vegetable cleaners, refrigerator deodorizers, car purifiers, etc 【High Performance】: Powered by a single 12V battery(Not included), this negative ion generator offers stable performance and portability, making it an efficient choice for both home and professional use 【Effective Air Purification】: The negative ion produced by this generator attach to airborne dust, pollen, debris, etc. This process makes these particles too heavy to remain airborne, thereby improving overall air quality 【Package】: Each package includes 2 negative ion generators made from premium PP Specification: Input voltages: DC12V; Output voltages: DC 3.5KV0.5KV; Negative ion concentration: ≥5x106PCS/cm3 (tested at 100mm); Insulation resistance: power cable to shell ≥40MΩ (500V DC); Dielectric strength: power cable to shell AC3000V 50HZ 5mA; 3S no breakdown; Rated power: ≤1W; Input current: ≤30mA; O3 concentration: