| Model | QT-U402B |
| Inch | 4'' |
| Voltage | DC5V |
| Power supply | 2.5W |
| Fan speed setting | l: 3800rpm/ll:4200rpm |
| Timer | × |
| Remote controller | × |
| Power indicator light | × |
| Boby material | Plastic |
| Net weight (Kg) | 4.4 |
| Gross weight (Kg) | 5.9 |
| Unit size (L*H*W mm) | 150*55*190 |
| Giftbox size (L*H*W mm) | 160*75*205 |
| Quantity per master carton | 20 |
| Master carton size (L*H*W mm) | 390*335*425 |
| Loading quantity: 20' | 9600 |
| 40'FT | 20000 |
| 40'HQ | 24000 |
