Robots · Robot vacuums

Dreame

L40 Ultra

Dreame robot-mop combo at $799.99 with 10.5 mm mop lift; a Consumer Reports pick for pet hair.

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What it can do

Compare L40 Ultra

vs Dreame X50 Ultravs Eufy Omni S2vs Mova V70 Ultra Completevs Roborock Saros 10Rvs Roborock Saros 20

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How we know (2 sources)
  1. Consumer ReportsIndependent

    Lab test of robot vacuums on pet hair (1 g of cat fur embedded in carpet). Some robots drag hair around or tangle it in the brush; the best pick up almost all of it. Top picks: Dreame L40 Ultra, Dyson 360 Vis Nav, Eufy C10, Eureka NERE10SW, iRobot Roomba Max 705, Samsung Jet Bot. Many vacuum-mop combos struggled with dried stains. Notes iRobot filed for bankruptcy the previous December and said app and support would continue.

    Read the source
  2. undated, read DreameFrom the company

    US Dreame L40 Ultra page (read Oct 24, 2026): $799.99. Mop lifting height 10.5 mm (0.4 in), and it lifts or removes the mops to keep carpets dry; crosses obstacles up to 0.86 in (22 mm), per Dreame's lab. 11,000 Pa suction; works with Alexa, Siri and Google Home. An anti-tangle TriCut brush is sold separately.

    Read the source

Status timeline

No status has changed since we started tracking. Every entry is dated and backed by the sources on this page.

  1. First recorded: In stores
    Can a robot vacuum pick up pet hair without tangling?

    Consumer Reports lists the Dreame L40 Ultra among its top picks for picking up embedded pet hair.

  2. First recorded: In stores
    Can a robot vacuum keep its wet mop off the carpet?

    Dreame lists a 10.5 mm mop lift for the L40 Ultra, and says it lifts or removes the mops to keep carpets dry.

  3. First recorded: In stores
    Can a robot vacuum get over high door thresholds?

    Dreame says the L40 Ultra crosses obstacles up to 0.86 inches (22 mm).