Roborock RockMow X120H LiDAR
Roborock's satellite-free RockMow for half-acre lawns: 360° LiDAR with vision, no RTK station to place and all-wheel drive for 80% slopes; sold in the US through Amazon.
Does it fit your lawn?
Set your lawn once; every mower page checks against it.
- Navigation & mapping
- 5.0
- Obstacle avoidance
- 5.0
- Coverage
- 3.5
- Slope & terrain
- 4.5
- Coverage per dollar
At a glance
Roborock RockMow X120H LiDAR (Roborock RockMow X120H LiDAR) covers up to 2,000 m², handles slopes to 80%, and navigates with LiDAR + Vision. It starts at $2,299 at Amazon, across 1 way to buy.
- Max lawn area
- 2,000 m² (0.49 acre)
- Max slope
- 80% (39°)
- Navigation
- Wire-free 360° 3D LiDAR with VSLAM and vision, all-wheel drive
- Price
- from $2,299
- Cutting
- 24 cm (9.4 in) cut, 40 to 90 mm (1.6 to 3.5 in) height, about 62 dB
What it's built for
A 360° 3D LiDAR rebuilds the yard in 3D for centimeter-level positioning without satellites, and the same LiDAR fused with cameras handles obstacles day and night, on an all-wheel-drive chassis rated for 80% grades.
Full spec sheet
The specs that decide a robot-mower purchase, in one place.
- Drive
- All-wheel drive
- Obstacle avoidance
- Vision-LiDAR fusion: 360° LiDAR plus cameras steer it around obstacles day and night
- Max lawn area
- 2,000 m² (0.49 acre)
Ways to buy Roborock RockMow X120H LiDAR
Every way to buy, cheapest first.
The cheapest way to buy Roborock RockMow X120H LiDAR is $2,299 (marketplace) via Amazon, across 1 tracked ways to buy it.
- AAmazonCheapestMarketplace
Roborock RockMow X120H LiDAR (0.5 acre)
$2,299Check priceRoborock's US list price; out of stock at Amazon, Roborock's only US online seller · reportedOut of stock
Prices are street prices you pay, not the MSRP above. They change often; each links to its source. Prices re-verified 2026-10-01. BestRobotMower.co is an independent comparison site; confirm the current spec and price with the manufacturer or seller before buying.
Roborock RockMow X120H LiDAR vs the alternatives
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Roborock RockMow X120H LiDAR FAQ
How big a lawn can the Roborock RockMow X120H LiDAR mow?
It is rated for lawns of 2,000 m² (0.49 acre), and starts at $2,299 at Amazon. Rated coverage is a maximum on an open lawn; a complex or obstacle-filled yard covers less.
How steep a slope can the Roborock RockMow X120H LiDAR handle?
It is rated to 80% (38.7°) slope, and its all-wheel drive grips grades that two-wheel mowers slip on.
Does the Roborock RockMow X120H LiDAR work under trees or in shade?
Yes. It navigates with LiDAR and vision rather than depending on a clear-sky satellite lock, so it holds position under dense tree cover.
Can the Roborock RockMow X120H LiDAR mow in the rain?
Rain sensor sends it to the dock and it resumes when the rain clears (IPX6).
Is the Roborock RockMow X120H LiDAR protected against theft?
Lift and geofence alarm, PIN lock and built-in 4G live tracking.
How does the Roborock RockMow X120H LiDAR avoid obstacles like pets and toys?
Vision-LiDAR fusion: 360° LiDAR plus cameras steer it around obstacles day and night, according to the maker.