Long exposure shot of a Roomba vacuum with colour-changing light on the top of it

Image from preview.redd.it and submitted by Peake37902
image showing Long exposure shot of a Roomba vacuum with colour-changing light on the top of it

mbdial203 on January 25th, 2021 at 16:40 UTC »

That's definitely DJ Roomba with some tricked out lights

Tonynferno on January 25th, 2021 at 16:43 UTC »

That’s just bowling alley carpet

LitMaster11 on January 25th, 2021 at 16:45 UTC »

It was probably an older, or a cheaper Roomba. Older robot vacuum technology was quite blind - they'd just bounce around the room, until hopefully cleaning everything. Newer and more expensive robot vacuums use Lidar and/or other technologies including sensors, to clean more efficiently.