Features:

1. Produce negative ion 
2. Purifies the air, remove smog, dust and bad smell
3. Effective prevention of air-conditioning diseases
4. Eliminate bacterial virus and germs, good sterilization function
5. Improve pulmonary function and relieves fatigue

Key specification:

1. Size: Φ16 x 15.5cm
2. Power transformer: Input voltage: AC 100-240V 50/60Hz output: DC 12V
3. Power: 3W
4. Release Anion Density: 3.5 x 1000000 pcs/cm3
5. Remain Ozone Density: ≤0.5ppm
6. Ambient temperature: -30 ~ 50 celsius
7. Ambient humidity: <80%RH
8. Recommend using space: 10-20 m2
9. Many color optional
10. Color box packed