Lookatool Mini Car Impulse Anion Oxygen Bar Ozone Ionizer Air Purifier Cleaner Fresher (Black) 100% Brand New In Box (Never Been Used or Installed) Size: 22mm (D) X 88mm (L) Made with Standard Plastic.(not ABS plastic). Large amount of negative ions (3,800,000 pcs/cm3) Stronger smoke dispelling function. Perfect match between impulse negative ions and ozone. Purify air,removes smoke and dust/bad smell. Utility patent;CE,Fcc,RoHS certification. Voltage:12V/DC. Power:&lt;=0.8W. Negative ions concentration:3800000 pcs/cm3. Ozone concentration:3 mg/h. Working temperature:14F-104F.