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Dreame’s $3,200 LiDAR mower trades ruts for precision

The Dreame A3 AWD Pro navigates without satellites and handles steep lawns, but its high price and tendency to scar wet grass limit its appeal.

· 7 min read

Image: Gizmodo

The $3,200 Dreame A3 AWD Pro solves one of the most frustrating problems with robotic lawn mowers: satellite-dependent navigation. Its LiDAR system lets owners place the charging dock wherever convenient, without installing an RTK beacon or finding a reliable satellite signal. But Gizmodo’s review found that the mower’s all-wheel-drive system can leave wheel ruts and bald patches, especially on damp or uneven ground.

The tested model was the A3 AWD Pro 3500, the middle of three range-based variants. It is rated for more than three-quarters of an acre, or 0.87 acres, and is aimed at large lawns where satellite reception is poor and terrain is difficult. For smaller yards, however, the price is hard to justify: cheaper models from Roborock and Segway reportedly deliver similar mowing results on flatter, less complicated lawns.

LiDAR removes the satellite setup problem

Unlike satellite-based mowers such as the Segway Navimow X430, the Dreame can map and navigate using LiDAR. That means the dock does not need to sit in a location with strong satellite reception, and owners do not have to install a separate RTK positioning beacon in the yard.

Setup runs through the Dreame Home app. After scanning a QR code beneath the mower’s hood and connecting the device, users can begin mapping. In testing, automatic mapping successfully handled the largest open section of a cluttered backyard. The mower did not map the entire property by itself, so the remaining boundaries had to be created manually by driving it through the app.

Manual mapping initially exposed a weakness in the wireless setup. Bluetooth was inconsistent, making the mower move sluggishly and stop whenever the connection dropped. The connection later became stable at about 20 feet, although manual mowing imposes a much shorter operating distance: the mower stops its blades and issues an app warning if the phone moves more than a few feet away.

The app provides a conventional overhead map of the defined boundaries and the mower’s position. It also includes a 3D view built from a LiDAR point cloud. That visualization can show structures beyond the immediate lawn, including nearby houses, cars across the street, a roofline, and a tall tree. It is more demonstration than essential tool, but it illustrates how broadly the sensor scans.

Strong trimming, imperfect terrain handling

The A3 AWD Pro delivered an even cut after two or three passes, provided the grass was already short. Like other robotic mowers, it is designed to mulch regularly maintained grass rather than tackle an overgrown lawn. Its dual mowing discs shift sideways to trim near edges, though a string trimmer is still needed for final cleanup.

Dreame A3 AWD Pro 3500 mowing, with visible wheel tracks in the grass — © Wes Davis / Gizmodo

The mower was willing to drive over taller plants that the Navimow X430 avoided, which helped it reach more of the mapped area but also created problems. It ran over daylilies and became badly caught on a wire garden fence. Once the map boundaries were adjusted around those hazards, it could mow reliably, including at night.

Its physical mobility is both a selling point and a liability. The low center of gravity and all-wheel drive helped it climb and descend a short, steep hill. The mower can rotate in place, with the left and right wheels turning in opposite directions, and its omnidirectional movement helps it negotiate narrow passages and gates.

On uneven pavers and lumpy soil, though, the same turning behavior pushed the rear wheels sideways when the front wheels caught on an obstacle. The result was visible rutting, particularly on the front-lawn incline. Repeated 360-degree positioning spins near the dock also produced a bald patch. The wet conditions during testing likely made the damage worse, but the review warns that frequent mowing on damp ground can still be a concern.

Dreame A3 AWD Pro 3500 climbing a steep incline — © Wes Davis / Gizmodo

Battery life was not an issue during the review. The test lawn covered about 2,400 square feet, and the mower still had roughly 65% charge after completing the front and back lawns in one job. That result does not establish how it will perform across its full rated area, but it suggests that the smaller test property was well within its capacity.

The mower was also cautious around some mapped obstacles. It left roughly a foot of clearance around raised garden beds, abandoning a strip between the beds and the house even though it could navigate other tight areas effectively. That conservative behavior reduces collision risk but can leave owners with more manual trimming.

A camera, patrol mode, and cloud-stored clips

Dreame adds features beyond mowing, including human detection and a security-patrol mode. When human detection is enabled, the mower announces: “You are in a robot-guarded area; please proceed with caution.” The deterrent value is unclear, but the feature can be configured to patrol selected points or the perimeter of mapped zones.

Dreame A3 AWD Pro 3500 mowing at night, with its rear red LED strip and front headlight visible — © Wes Davis / Gizmodo

The app also provides a live first-person camera feed. Within Bluetooth range, users can manually control the mower, take photos and short videos, and allow the device to capture images of detected people during patrols.

Screenshot of the Dreame A3 AWD Pro’s first-person camera view — © Wes Davis / Gizmodo

According to the “Sending Human Photos” privacy policy linked in the app, captured images and video are encrypted and stored on a German cloud server for 30 days, or until the user deletes them. Dreame says it does not have access to those files. The review does not provide an independent assessment of that storage or privacy claim, so buyers who are uncomfortable with a camera-equipped mower should factor the cloud policy into their decision.

The A3 AWD Pro can also mow decorative shapes such as hearts and stars. A checkerboard mowing mode failed during testing. Dreame suggested the feature might have been selected after mowing had already begun, which disables it, but that explanation did not match the reviewer’s account, leaving the issue unresolved at publication.

Price versus the Segway Navimow X430

The A3 AWD Pro’s strongest case is a large, steep or satellite-deprived lawn. In that narrow situation, LiDAR navigation is a meaningful advantage, and the mower’s all-wheel drive gives it capabilities that smaller two-wheel-drive models may lack.

For everyone else, the price is the central problem. The Roborock RockNeo Q110H and an on-sale Segway Navimow i2 LiDAR can cost nearly $2,000 less, while still mowing almost as well in flatter, simpler yards. Dreame’s non-Pro A3 AWD models start at $2,000 or more, offer similar capabilities in a smaller package, and are rated for at least a quarter-acre.

The Dreame A3 AWD Pro 3500 from the rear — © Wes Davis / Gizmodo

The closer comparison is the Segway Navimow X430. It costs $700 less, is reportedly less likely to create bald patches, and Segway says it can cover a full acre in 15 hours. The Dreame covers a rated 0.87 acres, although it has the crucial advantage of not relying on satellite reception.

Gizmodo reported that the A3 AWD Pro 3500 was discounted to $2,700 at the time of its review and noted Dreame’s history of heavy discounts. That makes the product more plausible for owners with demanding terrain, but the review’s recommendation remains limited: smaller-lawn buyers should avoid it, while buyers with a large property should choose it mainly when satellite connectivity makes the X430 impractical. The mower’s $3,200 list price is not supported by its performance unless LiDAR navigation solves a problem the cheaper alternatives cannot.