All-wheel-drive flagship that climbs slopes most robots can't touch. Expensive and wire-guided, but the answer for genuinely rough, steep terrain from a name pros trust.
Full one-acre coverage with no perimeter wire, and a camera that helps it see boundaries and obstacles. The value pick if you want wire-free at scale.
The reliability benchmark. Whisper-quiet (~58 dB), excellent on grade, and the brand pros trust. Wire-guided, so tree cover is a non-issue.
All-wheel-drive, vision-assisted, wire-free, and rated for very steep ground up to ~1.5 acres. The do-it-all premium pick for big, sloped, open yards.