| Model | QT-U403B |
| Inch | 4'' |
| Voltage | DC5V |
| Power supply | 2.5W |
| Fan speed setting | one speed: 3000rpm |
| Timer | × |
| Remote controller | × |
| Power indicator light | × |
| Boby material | Plastic |
| Net weight (Kg) | 7.0 |
| Gross weight (Kg) | 8.5 |
| Unit size (L*H*W mm) | 150*80*150 |
| Giftbox size (L*H*W mm) | 155*90*155 |
| Quantity per master carton | 30 |
| Master carton size (L*H*W mm) | 465*325*480 |
| Loading quantity: 20' | 11040 |
| 40'FT | 22800 |
| 40'HQ | 24750 |
