# iGLASSBOT W120-T vs WIN660: specs and price compared

A sourced, side-by-side comparison of the iGLASSBOT W120-T (Mamibot) and WIN660 (Alfawise) among robot window cleaners.

## Side by side

| Spec | iGLASSBOT W120-T | WIN660 |
| --- | --- | --- |
| US price | not published | $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 | — |

## Key differences

- 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

## Sources

- iGLASSBOT W120-T: https://cleanup.expert/mamibot-w120t/ (cleanup.expert, verified 2026-08-01)
- WIN660: https://www.dresslily.com/alfawise-win660-robotic-window-cleaner-product2492527.html (dresslily.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/robot-window-cleaners/mamibot-w120-t-vs-alfawise-win660/
Cite: Per The Front Desk Review, iGLASSBOT W120-T (not published) vs WIN660 ($275.84) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/robot-window-cleaners/mamibot-w120-t-vs-alfawise-win660/
License: CC BY 4.0.