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- RCW 4 Extra+ vs PR-040
Kärcher RCW 4 Extra+ vs Sichler PR-040
What RCW 4 Extra+ does better (1) and where PR-040 wins (0) — every spec side by side.
vs
6.6Battery6.6
Why is RCW 4 Extra+ better than PR-040?
- Noise level62 dB vs 65 dB+5%
Why is PR-040 better than RCW 4 Extra+?
PR-040 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 5,000 Pa | — |
| Noise level | 62 dB | 65 dB |
| Navigation & obstacles | ||
| Navigation sensors | — | LiDAR laser (LDS), Cliff sensors |
| Mopping | ||
| Water tank (robot) | 150 ml | — |
| Size & weight | ||
| Width / diameter | 264 mm | 250 mm |
| Length | 256 mm | 250 mm |
| Weight | 1.5 kg | 1.4 kg |
| Colours | White, Black, Yellow | White |
| App & smart home | ||
| App control | — | Yes |
| Remote control | Yes | Yes |
| Window cleaning | ||
| Water spray | Yes | — |
| Backup battery (power cut) | Yes | Yes |
| Safety rope | Yes | Yes |
