Dedicated vs Combo Vacuums
Compare dedicated robot vacuums vs 2-in-1 vacuum-mops on suction, bin size, mopping, and upkeep so you can pick the right one for your floors.
Dreame RLF42GA Black LiDAR and laser obstacle detection
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Last known price: BYN 559.00 (BYN)
Price source: Rulez BY
Price record dated 11/14/26
Saved price in the source currency; not a current offer. The date refers to the price record, not a stock check.
Features
- LiDAR and laser obstacle detection
- 20000 Pa suction power
- 150-minute runtime
- Wet mopping with water tank
- Room mapping and scheduled cleaning
- Automatic carpet detection
- Smart home integration
- Spot cleaning mode
- Virtual wall via app
- Contact bumper sensor
General specs
- Brand: Dreame
- Model: RLF42GA
- Seller: Rulez BY
- ID: 1386967
- SKU: 3668542
- Brand: Dreame
- Model Name: F21
- Model Number: RLF42GA
- Product Type: Robot Vacuum
- Power Plug Type: Europlug
- First listed by seller: June 17, 2026
You come home to a clean floor, even after your toddler's snack time. The Dreame F21 robot vacuum handles the mess so you don't have to. Its LiDAR navigation builds a map of your home and avoids obstacles. Set no-go zones in the app to keep it away from pet bowls.
This vacuum adapts to your schedule. Set a cleaning time in the app, and it works while you are away. The 20,000Pa suction lifts pet hair and crumbs from carpet. The mopping system dampens a cloth to wipe up sticky spills on hard floors. The water tank lasts for the whole cleaning cycle, so you do not need to refill.
The battery runs for 150 minutes, covering up to 140 square meters. You receive alerts when the bin needs emptying. It works with smart home assistants for voice control. Start cleaning from anywhere using your phone. Your floors stay clean without your effort.
When this device makes sense
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