| Model | QT-U403 |
| Inch | 4'' |
| Voltage | DC5V |
| Power supply | 2.5W |
| Fan speed setting | one speed: 2200rpm |
| Timer | × |
| Remote controller | × |
| Power indicator light | × |
| Boby material | Plastic |
| Net weight (Kg) | 4.9 |
| Gross weight (Kg) | 7.8 |
| Unit size (L*H*W mm) | 149*96*146 |
| Giftbox size (L*H*W mm) | 155*100*155 |
| Quantity per master carton | 30 |
| Master carton size (L*H*W mm) | 525*325*480 |
| Loading quantity: 20' | 10080 |
| 40'FT | 21120 |
| 40'HQ | 23100 |