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  3. Winbot W2 Pro Omni vs PR-040

Ecovacs Winbot W2 Pro Omni vs Sichler PR-040

What Winbot W2 Pro Omni does better (1) and where PR-040 wins (0) — every spec side by side.

Ecovacs Winbot W2 Pro Omni
Ecovacs · 2025Winbot W2 Pro Omni
7.7Score
1 advantage≈ US$360
Higher score
vs
Sichler PR-040
Sichler · 2025PR-040
0 advantages≈ US$230
3.3Battery6.6

Why is Winbot W2 Pro Omni better than PR-040?

  1. Noise level63 dB vs 65 dB+3%

Why is PR-040 better than Winbot W2 Pro Omni?

PR-040 has no measurable advantages in this pair.

Specifications

Side by side

Sichler PR-040Sichler PR-040≈ US$230
Suction & cleaning
Suction power5,500 Pa—
Noise level63 dB65 dB
Navigation & obstacles
Navigation sensorsCliff sensorsLiDAR laser (LDS), Cliff sensors
Battery & runtime
Runtime110 min—
Charging time180 min—
Size & weight
Width / diameter271 mm250 mm
Length271 mm250 mm
Weight2 kg1.4 kg
ColoursWhite, GreyWhite
App & smart home
App controlYesYes
Remote control—Yes
Window cleaning
Backup battery (power cut)YesYes
Safety ropeYesYes
Window area per session55 m²—
To compare: 0up to 4 models
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