ITEM NAME:Air Negative Ion Anion Generator Ionizer Purifiers Cleaner Car T JtJ Pg Description: Features: 100% brand new and high quality A negative ion generator is a device that uses high voltage to ionize(electrically charge) air molecules. Negative ions, or anions, are particles with one or more extra electrons, conferring a net negative charge to the particle. Air ionizers are used to eliminate the occurrence of air-borne bacterial infections and to reduce static electricity buildup in electronics. Specification: Material: ABS+Silicone Line Color: Red Size:16cm x 6cm x 4cmï ¼Ë†Conversion: 1cm=0.3937 inch, 1inch=2.54 cmï ¼â€° Weight: 34g Package Included: 1 x Negative Ion Generator(other accessories demo in the picture is not included.) Note: 1.Please allow 0.1-0.3cm differences due to manual measurement, thanks. 2.Please understand because of the light irradiation or computer display difference, so I  can't guarantee photos and real color is 100% the same..1 x Negative Ion Generator(other accessories demo in the picture is not included.). Material: ABS+Silicone Line. Air ionizers are used to eliminate the occurrence of air-borne bacterial infections and to reduce static electricity buildup in electronics.