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Mow it, Robot!
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No boundary wire

Most robot mowers need a thin wire pegged around your lawn, so they know where to stop. These ones use satellites or a camera, so there is no wire to lay.

Shortlists, reviews and head-to-headsAll shortlists

Mowers for no boundary wire

Review 4.4/5 eufy E15 review: a wire-free robot mower for a small, shady yard Wes Carmody Sep 2026 A satellite mower can lose its signal under trees and stop. The E15 steers by camera instead, so it needs no wire and no antenna. It works best on a small lawn that is flat or gently sloping.
What the numbers on a mower meanAll guides

Guides

Guide Wire-free robot mowers need a clear view of the sky. Here is how to check yours. Dana Whitlock Sep 2026 Wire-free mowers let you draw the lawn in an app instead of laying a cable. Before you buy one, go outside and check how much open sky is above your lawn. Trees and roofs over the grass stop these mowers working.
Use our Yard Finder to find the best robot mowers for your exact yard Trace your lawn. We read its size, slope and tree cover off the map, then show you the mowers that clear those numbers.
The other five things that decide a mower

Is something else about your lawn the real problem?

Steep yards For lawns on a slope or a hill. Big lawns For lawns of half an acre or more. Small & city lawns For small, city or fenced lawns. Trees, beds & narrow gaps For lawns with trees, flower beds or narrow paths. Under $1,000 Robot mowers under $1,000.