- Air purification and Antibacterial Anti-virus and Deodorization features - Intertek - renowned Global Quality Assurance Laboratory verified over 90% bacteria decreased - HKSTP verifies Qivation product TiO2 adhesive strength - PIAJ certificate proves the materials with Air purification, Antibacterial Effect - PIAJ recognized Nano Photocatalyst Technology *Can pair with Qivation TiO2 Smart Led Light bulb Warranty Period : 1 Year