March 27 2018 12:20 PM

Sales of robotic lawn mowers will pass $2 billion by 2022.

Cnet reported that companies have been adding more features to robotic lawn mowers, including GPS and voice-activated assistants.

Prices and models vary, but these robotic mowers start at about $900 and have been becoming more expensive. These mowers are meant to maintain an already-tamed yard, similar to the idea of a robot vacuum, cnet reports.

More popular in Europe, the bonus features could make it worthwhile for those who are interested in the technology, according to the article.