About the product 1. Brand new and high quality. 2. Big air volume? low noise. 3. About 90 degree angle adjustable air outlet. 4. 2-Speed Adjustable 5. It uses 220V AC power supply? 30W power. 6. It is very quiet at only 45dB. 7. Long life 8. Applicable space: Living room? Study? Bedroom? Dormitory? Office? Dining room? etc.