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| Manufacturer | Shenzhen City, Longdley Technology Ltd. |
| Category | Gas detectors |
| Price | ￥ |
| Origin | Shenzhen, China |
| Imported or not | Yes |
| Order number | DM502 Semiconductor |
| Process Custom | Yes. |
| Goods | DM502 Semiconductor |
| Brand | Dienmern/ Democrat |
| Model | DM502 |
| Measurement range | 0-999 ug / m3 |
| Measure Object | PM2.5 |
| Measuring precision | High |
| voltage | 5 |
| Dimensions | 155*87*35 |
| Weight | 0.4 |
| Power | 5V1A |
| Main downstream platform | Amazon, fast sell. |
| Main distribution areas | Africa, Europe, South America, South-East Asia, North America, North-East Asia, Middle East |
| There's an authorized brand. | Yes. |
| Whether or not to export a source of goods exclusively across borders | Yes. |
| Specifications | DM502 White semiconductor |
