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- Legee D8 vs RCW 4
Hobot Legee D8 vs Kärcher RCW 4
What Legee D8 does better (2) and where RCW 4 wins (0) — every spec side by side.
Why is Legee D8 better than RCW 4?
- Water tank (robot)320 ml vs 150 ml2.1×
- Noise level58 dB vs 62 dB+7%
Why is RCW 4 better than Legee D8?
RCW 4 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 5,000 Pa | 5,000 Pa |
| Dustbin (robot) | 500 ml | — |
| Noise level | 58 dB | 62 dB |
| Navigation & obstacles | ||
| Navigation sensors | LiDAR laser (LDS), Gyroscope, Cliff sensors | — |
| Mopping | ||
| Water tank (robot) | 320 ml | 150 ml |
| Battery & runtime | ||
| Runtime | 120 min | — |
| Charging time | 240 min | — |
| Size & weight | ||
| Width / diameter | 344 mm | 264 mm |
| Length | 344 mm | 256 mm |
| Weight | — | 1.5 kg |
| Shape | Round | — |
| Colours | White, Blue | White, Black, Yellow |
| App & smart home | ||
| App control | Yes | — |
| Voice assistants | Google Assistant, Apple Siri | — |
| Remote control | — | Yes |
| Window cleaning | ||
| Water spray | Yes | Yes |
| Backup battery (power cut) | — | Yes |
| Safety rope | — | Yes |
| Window area per session | 240 m² | — |









