Mamibot
iGLASSBOT W120-T
—
Released 2018
Best Robot Window Cleaners · head-to-head
iGLASSBOT W120-T vs WIN660
A sourced, side-by-side comparison. WIN660 is cheaper at $275.84. Every spec and price links to its source.
Alfawise
WIN660
$275.84
Released 2018
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | iGLASSBOT W120-T | WIN660 |
|---|---|---|
| US price | — | $275.84 |
| Brand | Mamibot | Alfawise |
| Released | 2018 | 2018 |
| Suction power (Pa) | — | 2800 |
| Cleaning speed mode | ~2.5 min/m^2; autonomous Z- and N-shaped path | ~2.5 min/m^2 |
| Battery backup min | 20 | 25 |
| Spray system | No onboard automated spray; wet microfiber pad, cleaning solution applied manually (included in box) | — |
| Path planning | Z/N-shaped autonomous path planning, hugs window frame edges | 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns |
| Noise level (dB) | 65 | 65 |
| Safety tether | Safety rope included (load rating not published) | 150kgf-rated safety rope |
| Edge detection | Anti-falling & edge detection sensors | 4 edge-sensing sensors, works on frameless windows |
| Weight (lb) | 2.98 | — |
Sources — iGLASSBOT W120-T: cleanup.expert (verified 2026-08-01). WIN660: dresslily.com (verified 2026-08-01).
What's the difference between the iGLASSBOT W120-T and WIN660?
Where the two actually differ on the specs we track (5 of 9). Matching specs are omitted.
- Cleaning speed mode: iGLASSBOT W120-T ~2.5 min/m^2; autonomous Z- and N-shaped path vs WIN660 ~2.5 min/m^2
- Battery backup min: iGLASSBOT W120-T 20 vs WIN660 25
- Path planning: iGLASSBOT W120-T Z/N-shaped autonomous path planning, hugs window frame edges vs WIN660 4 edge-sensing sensors for frame/frameless windows; Z and N cleaning patterns
- Safety tether: iGLASSBOT W120-T Safety rope included (load rating not published) vs WIN660 150kgf-rated safety rope
- Edge detection: iGLASSBOT W120-T Anti-falling & edge detection sensors vs WIN660 4 edge-sensing sensors, works on frameless windows