Alfawise
WIN660
$275.84
Released 2018
Best Robot Window Cleaners · head-to-head
WIN660 vs Gecko
A sourced, side-by-side comparison. WIN660 is cheaper at $275.84. Every spec and price links to its source.
Gladwell
Gecko
—
Released 2019
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | WIN660 | Gecko |
|---|---|---|
| US price | $275.84 | — |
| Brand | Alfawise | Gladwell |
| Released | 2018 | 2019 |
| Suction power (Pa) | 2800 | — |
| Cleaning speed mode | ~2.5 min/m^2 | 3 automatic cleaning path options |
| Battery backup min | 25 | — |
| Spray system | — | — |
| Path planning | 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns | 3 automatic cleaning path options |
| Noise level (dB) | 65 | — |
| Safety tether | 150kgf-rated safety rope | Safety rope included (load rating not published) |
| Edge detection | 4 edge-sensing sensors, works on frameless windows | Automatic edge detection |
| Weight (lb) | — | 4.95 |
Sources — WIN660: dresslily.com (verified 2026-08-01). Gecko: smartvacguide.com (verified 2026-08-01).
What's the difference between the WIN660 and Gecko?
Where the two actually differ on the specs we track (4 of 9). Matching specs are omitted.
- Cleaning speed mode: WIN660 ~2.5 min/m^2 vs Gecko 3 automatic cleaning path options
- Path planning: WIN660 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns vs Gecko 3 automatic cleaning path options
- Safety tether: WIN660 150kgf-rated safety rope vs Gecko Safety rope included (load rating not published)
- Edge detection: WIN660 4 edge-sensing sensors, works on frameless windows vs Gecko Automatic edge detection