| Manufacturer | Sichuan Dae-Technology Ltd. |
| Category | Living appliances |
| Price | ￥3280.0 |
| Brand | Giant. |
| Model | DA-3 / DA-5 |
| Rationale | Negative ion |
| Product category | Oxygen machine |
| Power mode | Communication electricity |
| Applicable area | 11m2 (inclusive)-20m2 (inclusive) |
| Filter Type | Composite Filter |
| Is there a patented source? | Yes |
