1. Rated voltage: DC12V   

 2. Rated frequency: 50Hz   

 3. Rated power: < 5W   

 4. Purification wind speed: < 50m3/h   

 5. Negative ion concentration: > 6 million pcs/cm3   

6. Packing specifications: 18 units / box  

 7. Filter layer / material: three layers / primary effect cotton, activated carbon particles, cold catalyst   

8. Working noise: 20~45dB   

 9. Applicable area: ≤10m2 

10.Size：155x155x190mm