| Model | QT-U401 |
| Inch | 4'' |
| Voltage | DC5V |
| Power supply | 2.5W |
| Fan speed setting | one speed: 2500rpm |
| Timer | × |
| Remote controller | × |
| Power indicator light | × |
| Boby material | Metal |
| Net weight (Kg) | 9.5 |
| Gross weight (Kg) | 12.5 |
| Unit size (L*H*W mm) | 143*85*141 |
| Giftbox size (L*H*W mm) | 150*100*150 |
| Quantity per master carton | 30 |
| Master carton size (L*H*W mm) | 525*315*465 |
| Loading quantity: 20' | 10560 |
| 40'FT | 22080 |
| 40'HQ | 24150 |
