| Model NO. | ND544D | 
| Structure | Monocular | 
| Shell Material | Plastic | 
| Customized | Customized | 
| Brand | Dontop | 
| Objective Diam | 40mm | 
| Minimum Observation Distance | 0.8m | 
| Field of View | 5degx3.75deg; | 
| Max Observation | >200m | 
| Light Device | IR LED | 
| Observing Distance(Full Dark Environment | >200m | 
| Feature | Can Be Mounted on Scopes or Guns | 
| Transport Package | Carton | 
| Specification | CE FCC | 
| Trademark | DONTOP/OEM | 
| Origin | Chongqing China | 
| HS Code | 90058090 | 
| Production Capacity | 2000PCS Per Week | 
 
                 
                     
                     
                    