Product parameters Name: Air Purifier Model: figo 3S DC input: 5V 1000mA USB output: 5V 1000mA Rated voltage: <12W Negative ion concentration: 9X106 Pcs/cm3 Fan noise: <40 dB Use space: <10m2 Structural material: ABS Shell material: aluminum alloy Shell production process: anodizing Product size: 150mm(H)* 65mm(D) Applicable environment: -10C ~ 45C