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| Specification Item | Details & Performance |
|---|---|
| Power supply | 220±10%V, or 380V, 50/60Hz |
| Opening and closing speed | 5-15m/min |
| Wind resistance | 28-35m/s (Beaufort scale 10-12) |
| Sound insulation level | 50DB |
| Opening method | Manual |
| Color | White, other colors can be customized |








