Link to purchase: http://ninglife.com/collections/air-purifier/products/isaucerb-purifier 100% quality assurance more efficient purification Two national patent intellectual property protections CHC national energy efficient environmentally friendly products The most advanced nano-particle size 5.5 photocatalyst air purification technology State Environment Quality Supervision and Inspection Center of Qualified Removes the seven main causes of air pollution Product specifications: Model – i-Saucer-B Main Technology – Photocatalyst, LED, Negative Ions Anion Output – 6 million pcs/cm3 Power consumption - <0.3W Input – DC 5V 200mA Effective Area – 25 m2 Product size – 16*16*6.6cm Color – Black Certification: CB, CE, CSA, EMC, EMF, ETL, GS, LFGB, RoHS, SASO, UL, URX Link: http://ninglife.com/collections/air-purifier/products/isaucerb-purifier