Feature:1. Negative ion air purifier (release oxygen).2. Sterilization (natural bacteria/grapevines).3.PM2.5 removal/formaldehyde removal/production of oxygen/disinfection sterilization/removal of smoke/smart charging.4. The nicotine & the air conditioner in the car are odder, activating the oxygenation speed diffusion negative ion to achieve thebactericidal effect.5. Input: 12V/24V output 3.1A.6.3USB smart identification device, dynamically allocate optimal current, can charge three electronic products at the same time. Specification: Size 86.7x 33.5mm Size (Length of USB (Universal Serial Bus) Port)13.8mm Color White, Black Material ABS (Acrylonitrile Butadiene Styrene Copolymers)+PC fireproof material Input Voltage 12V/ 24 V Output Voltage 5VOutput Current 3.1ma Working Temperature-30℃ ~ -70℃ Output Port 3 USB (Universal Serial Bus) Port Current Limit 7.0 A + 15 Ozone O3 0.02 PPMAnion Concentration Anion -3*106pcs/ Cm 3 Package Included:1 x Vehicle Air Purifier & Car Charger