| Model Number | NS31-2.5x TTL | 
|---|---|
| Power Source | Electric | 
| Warranty | 1 Year | 
| After-sale Service | Online technical support | 
| Material | TR90, Titanium, colorless optical glass | 
| Model Number | NS51 | 
|---|---|
| Power Source | Electric | 
| Warranty | 1 Year | 
| After-sale Service | Online technical support | 
| Material | colorless optical glasses | 
| Model Number | NS31-3.0X | 
|---|---|
| Power Source | Electric | 
| Warranty | 1 Year | 
| After-sale Service | Return and Replacement | 
| Material | TR90, Titanium, colorless optical glass | 
| Model Number | XS-M003 | 
|---|---|
| Type | Oral Therapy Equipments & Accessories | 
| Product name | dental loupes | 
| Magnification | 3.5x 420mm, 2.5x 420mm | 
| Function | intensity control, spot control | 
| Model Number | G L-2501 | 
|---|---|
| Properties | Ears, Eyes, Nose and Throat Surgical Instruments | 
| Type | Binocular Loupes | 
| material | Optical glasses | 
| Color | Black red blue | 
| Model Number | GL-2501 | 
|---|---|
| Power Source | other | 
| Warranty | 1 Year | 
| After-sale Service | Free spare parts | 
| Material | Plastic |