| Model NO. | NDB731 |
| Structure | Binocular |
| Shell Material | Plastic |
| Customized | Customized |
| Exit Pupil Distance | 30mm |
| Size | 210X145X65mm |
| Net Weight | 750g |
| Transport Package | Carton |
| Specification | 3.5x31 |
| Trademark | DONTOP/OEM |
| Origin | Chongqing China |
| HS Code | 90058090 |
| Production Capacity | 2000 PCS Per Week |