HOBOT
HOBOT-2S
$299
Released 2021
Best Robot Window Cleaners · head-to-head
HOBOT-2S vs WIN660
A sourced, side-by-side comparison. WIN660 is cheaper at $275.84. Every spec and price links to its source.
Alfawise
WIN660
$275.84Cheaper
Released 2018
Which is better: the HOBOT-2S or WIN660?
On the specs we track, they're closely matched. The WIN660 is the cheaper at $275.84.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | HOBOT-2S | WIN660 |
|---|---|---|
| US price | $299 | $275.84 |
| Brand | HOBOT | Alfawise |
| Released | 2021 | 2018 |
| Suction power (Pa) | — | 2800 |
| Cleaning speed mode | ~2.4 min/m^2, 12 cm/s movement speed | ~2.5 min/m^2 |
| Battery backup min | 20 | 25 |
| Spray system | Dual patented ultrasonic nozzles, 108kHz, 15um mist; 2x26ml replaceable water tanks | — |
| Path planning | AI smart route planning (zigzag: horizontal pass then vertical) | 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns |
| Noise level (dB) | 64 | 65 |
| Safety tether | 4.5m rope rated to 200kg (per hobot.com.tw); some third-party specs list 150kgf | 150kgf-rated safety rope |
| Edge detection | Edge-leakage sensors + auto edge detection | 4 edge-sensing sensors, works on frameless windows |
| Weight (lb) | 2.87 | — |
Sources — HOBOT-2S: hobot.com.tw (verified 2026-08-01). WIN660: dresslily.com (verified 2026-08-01).
What's the difference between the HOBOT-2S and WIN660?
Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.
- Cleaning speed mode: HOBOT-2S ~2.4 min/m^2, 12 cm/s movement speed vs WIN660 ~2.5 min/m^2
- Battery backup min: HOBOT-2S 20 vs WIN660 25
- Path planning: HOBOT-2S AI smart route planning (zigzag: horizontal pass then vertical) vs WIN660 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns
- Noise level (dB): HOBOT-2S 64 vs WIN660 65
- Safety tether: HOBOT-2S 4.5m rope rated to 200kg (per hobot.com.tw); some third-party specs list 150kgf vs WIN660 150kgf-rated safety rope
- Edge detection: HOBOT-2S Edge-leakage sensors + auto edge detection vs WIN660 4 edge-sensing sensors, works on frameless windows