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- RCW 4 vs PR-330
Kärcher RCW 4 vs Sichler PR-330
What RCW 4 does better (2) and where PR-330 wins (0) — every spec side by side.
Why is RCW 4 better than PR-330?
- Suction power5,000 Pa vs 2,800 Pa+79%
- Water tank (robot)150 ml vs 50 ml3×
Why is PR-330 better than RCW 4?
PR-330 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 5,000 Pa | 2,800 Pa |
| Noise level | 62 dB | 63 dB |
| Mopping | ||
| Water tank (robot) | 150 ml | 50 ml |
| Size & weight | ||
| Width / diameter | 264 mm | 240 mm |
| Length | 256 mm | 223 mm |
| Weight | 1.5 kg | 1.7 kg |
| Colours | White, Black, Yellow | White |
| App & smart home | ||
| App control | — | Yes |
| Remote control | Yes | Yes |
| Window cleaning | ||
| Water spray | Yes | Yes |
| Backup battery (power cut) | Yes | Yes |
| Safety rope | Yes | Yes |
| Window area per session | — | 50 m² |
