| Model Number | RK-2.5x+RK-191 |
|---|---|
| Power Source | Optic,Electric |
| Warranty | Lifetime(under non-human damage) |
| After-sale Service | Return and Replacement |
| Material | Plastic, Optical Glass |
| Model Number | FDJ-21 |
|---|---|
| Power Source | Manual |
| Warranty | 1 Year |
| After-sale Service | Online technical support |
| Material | Metal, Resin, optical glasses |
| Model Number | RK-3.5x+RK-191 |
|---|---|
| Power Source | Optic,Electric |
| Warranty | Lifetime(under non-human damage) |
| After-sale Service | Return and Replacement |
| Material | Plastic, Optical Glass |
| Model Number | RK-3.5x |
|---|---|
| Power Source | optic |
| Warranty | 1 Year |
| After-sale Service | Return and Replacement |
| Material | Plastic, glass |
| Model Number | RK-3.0x |
|---|---|
| Power Source | optic |
| Warranty | 1 Year |
| After-sale Service | Return and Replacement |
| Material | Plastic, glass |
| Model Number | RK-2.5x |
|---|---|
| Power Source | optic |
| Warranty | 1 Year |
| After-sale Service | Return and Replacement |
| Material | Plastic, glass |
| Model Number | SCM600-ST |
|---|---|
| Power Source | Electricity |
| Warranty | 1 Year |
| After-sale Service | Online technical support |
| Material | Metal, Plastic, Steel, Resin |