UV lamp upcost US$3 Anion function upcost US$1 Remote control upcost US$1 Spray paint upcost US$4.5 WIFI upcost US$3.5 Technical Data: "1. Power supply: 220V-240V, ~50/60Hz 2. Consumption power: 50W 3. Noise level: ≤ 60dB 4. Effective area: 57㎡ 5. CADR: 288CFM (490m³/H)" Functions: "1. With DC motor. 2. With LED display. 3. Touch panel control. 4. 4 stages 360°cylindrical filter system effectively removes PM2.5, formaldehyde and other harmful substances: - Mesh PP filter to collect big particles and to prolong the lifetime of HEPA; - True 99.97% HEPA to filter the floating particles and pollen with little wind resistance;