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CES Innovation Awards® 2026 Honoree

Self-driving-level mowing for real, complex yards

Best Fit:

• Shaded yards with mature trees and canopy cover
• Narrow passages between flower beds and tight garden paths
• Homeowners who want a wire-free LiDAR robot lawn mower
• Multi-zone residential lawns up to 0.25 acre

0.25 Acres

Coverage

42% / 22°

Slope | RWD

100 Zones

Multi-Zone

3D LiDAR

360° Avoidance

Not Ideal For
  • Large lawns (above 0.25 acre)
  • Slopes too steep
Powered by 3D LiDAR and Vision AI — cordless, and never lost in the shade.

AI That Sees Your Yard — Fully Wireless, Even Under the Trees

The S4 is an AI robot lawn mower that maps and mows your yard entirely on its own — even under a dense tree canopy where GPS-based mowers lose signal. 3D LiDAR builds a precise map of your lawn while Vision AI reads the path ahead in real time. It's completely wireless — battery-powered with no power cord and no cables trailing across the grass; it runs by itself and returns to the dock to recharge. And because it actually sees what's ahead, it slows and steers around the hoses, toys, planters, and flower beds most yards are full of.

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Buy Your Weekend Back

Stays Accurate When Real Life Happens

Backed by nearly 15 years of outdoor power equipment manufacturing experience—engineered to cut like a lawn tool brand, not a gadget.

Handles 42% (22°) slopes, crosses 31.5 in / 80 cm narrow passages, and manages up to 100 zones across 5 maps.

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LiDAR-led 3D mapping + systematic routes help S4 stay predictable in the yard you actually have—trees, edges, tight runs, and day-to-day clutter.

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Create virtual boundaries, No-Go zones, and channels in the app—change them anytime without digging up your lawn.

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For Real Yards

Self-driving-level Navigation

Most mowers say “smart navigation.” What matters is whether it stays confident when your yard stops being a showroom.

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LiDAR-led 3D Understanding

Builds a yard-level 3D map and plans routes based on real geometry—not guesswork.

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Predictable, Systematic Paths

Cleaner coverage with fewer missed strips, so results look intentional—not random.

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Made for Real Backyards

Designed for shaded yards with mature trees, walls, and narrow passages between obstacles, where GPS signal and camera visibility aren't always perfect.

Obstacle Avoidance

3D obstacle avoidance designed for daily life

Yard life changes every day, with kids' toys, hoses, furniture, and pets. The S4 robot lawn mower with LiDAR combines 3D LiDAR sensing and vision-based detection to avoid common obstacles and keep mowing.

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Precision Cut

Cut Quality Matters

Sunseeker is a newer consumer brand, but the team behind S4 is backed by nearly 15 years of outdoor power equipment manufacturing experience—and that shows in the cut.

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Floating Cutting Disc

The floating Cutting Disc automatically adjusts its height to match the lawn’s contour, for a perfectly even cut.

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Extra Precise Edge Cutting Disc

A unique trimming micro-blade deck cuts as close as 1.2 in to the edge, safely, swiftly, and accurately.

Cutting Width

Cutting Width

One cutting discs and a 7-inch cutting width deliver efficient coverage with a clean, refined finish.

Sprout Cutting

Sprout Cutting

Sunseeker S4 effectively trims fresh sprouts, maintaining a cleaner and healthier lawn appearance.

SMART CONTROL

TOTAL CONTROL IN YOUR POCKET

Sunseeker robotic lawn mower app interface Sunseeker app mowing schedule screen Sunseeker app smart maintenance screen

Create up to 100 separate zones across 5 maps. Assign unique schedules, cutting patterns, and priorities to each zone. This is useful when your front and back lawns connect only through narrow passages between flower beds.

Proven in Real Yards

Runs on its own—no constant checking

Proven through real-world tests—from auto-mapping to obstacles, slopes, and daily operation. No demos. No shortcuts. Just real yards.

Real Yards, Real Results

What's in The Box

Sunseeker S4

Sunseeker S4

X1

Charging Station

Charging Station

X1

Charger

Charger

X1

Blade & Screw

Blade & Screw

X6

Nails for Charging Station

Nails for Charging Station

X1

Protective Cover & Towel

Protective Cover & Towel

X1

Cleaning Brush

Cleaning Brush

X1

FAQ

How much range can Lidar detect?

The mower can detect 70 degrees vertically and 360 degrees horizontally

SUNSEEKER Tech

Why S4 Is the Smarter Pick for Medium, Complex Yards

  Sunseeker S4 Mammotion YUKA mini 2 1000H MOVA LiDAX Ultra 1000 eufy E15 / E18
Recommended Mowing AreaUp to 0.25 acreUp to 0.25 acreE15 up to 0.2 acre / E18 up to 0.3 acre
Sunseeker Best For
Drive SystemModel-dependentRear-wheel driveNon-AWD positioning
Max Slope45%45%18°
Navigation360° LiDAR + AI Vision360° 3D LiDAR + AI VisionVision-based navigation
Boundary SetupWire-freeWire-freeWire-free
Cutting Width7.48 in7.9–8 in8 in
Narrow Passage CapabilityModel-dependentModel-dependentModel-dependent
Multi-Zone ControlMulti-zone supportMulti-zone supportMulti-zone support
Key Sunseeker Advantage

Competitor specs based on publicly listed flagship models and may vary by configuration. Verified Jun 2026.

REAL-WORLD MAPPING

See the mapping accuracy for yourself

Real owner and reviewer footage of the Sunseeker S4's 3D LiDAR navigation — see the centimeter-level mapping and clean, even coverage for yourself.

See the mapping accuracy for yourself
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See the mapping accuracy for yourself
Cost Calculator

What costs less long-term: mowing yourself, hiring help, or owning a robot mower?

Pick how you mow today. We'll show break-even and long-term savings with a Sunseeker robot.

Choose your Sunseeker mower

Hiring Cost Details

55
3
8

2y 1mo

to break even

$3,901

Save over y

Avg: $65/mo

Hiring service

$6,600

Mower cost

$2,699

Cumulative Cost Over Time

Red line: Average Monthly Cost. Longer use means lower cost per month.

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AiBoundariesEverythingFeaturesFleetFront yardLidarS4Terrain mapX7
  • 5 stars: 168 (74%)
  • 4 stars: 55 (24%)
  • 3 stars: 4 (2%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
A
Aaron W.
Different zones different schedules

Front yard gets mowed Tuesday/Thursday/Saturday. Backyard Monday/Wednesday/Friday. Different heights for each because the back gets more shade and I keep the bluegrass taller there. All set up in the app in about 10 minutes. Multi-zone is one of those features I didn't think I needed until I had it. Took one star off because the mower sometimes takes a weird long route between zones instead of the shortest path. Not a big deal but it wastes battery.

Hey Aaron — the inter-zone routing can be optimized by adjusting the zone transition path in the app's advanced map editor. Give it a try and let us know if it helps! — SUNSEEKER Tech

W
Will N.
Quick math on the value

Quick math: $85/month lawn service x 12 months = $1,020/year. The S4 paid for itself before the end of year one. And unlike my old lawn guy, it shows up on time every time. Bermuda grass is looking thick and healthy with the frequent light cuts. No more scalping.

K
Kendra W.
Different Cut Heights for Front vs Back

I keep my front yard at 2 inches for a manicured look and my backyard at 3 inches for the kids. No manual mower made switching easy. The S4 lets me set different cut heights per zone in the app — setup took 25 minutes for both areas. Two weeks in, each yard looks exactly how I want. Front is tight and clean, back is lusher for the kids to play on. One rescue when it hit a new garden gnome my wife placed. Fantastic.

C
Christine D.
Narrow 3-Foot Passage — No Problem

My yard has a narrow 3-foot passage between the house and fence, plus a terraced garden area. I never thought a robot mower could navigate this layout. The S4 mapped the tight corridor on the first try — 25 minutes total setup. Two weeks later, it moves through the passage perfectly every single time. Only wish it could cut slightly closer to edges, but honestly that's minor.

G
Gordon T.
Robot mowers always seemed like a gimmick until this one

Robot mowers always seemed like a gimmick to me. Expensive toys for people with too much money. Then my back gave out and pushing a mower became a real problem. The S4 was my Hail Mary and I'm genuinely impressed. No wires to bury, no GPS signal issues, just draw the map and let it go. My bluegrass looks better than when I was cutting it myself. Swallowed my pride and I'm glad I did.

A
Amanda V.
L-Shaped Yard with Tight Corridors

My L-shaped yard has a 4-foot-wide walkway connecting front and back, plus a noticeable downhill slope. Almost bought a competitor but the S4's 80cm narrow passage spec sealed the deal. Setup took 30 minutes due to the tricky layout. Two weeks in and it navigates the corridor and slope daily without a single intervention. Systematic mowing means no missed strips even in the tightest spots.

Y
Yolanda M.
Cancelled my lawn contract after one month

One month with the S4 and I called to cancel my lawn maintenance contract. $110/month saved. The mower runs on a schedule, doesn't need gas, doesn't wake up the neighborhood, and cuts more consistently than a crew rushing through 20 yards a day. ROI is clear.

D
Derek I.
40% Slope — S4 Didn't Even Flinch

Everyone told me my side yard was too steep for a robot mower — easily a 40% grade. I was nervous spending this much on something that might just tumble downhill. The S4's 42% slope spec gave me confidence. Setup took 20 minutes. Three weeks of daily mowing on that slope and it hasn't slipped once. The all-wheel drive is the real deal. Even the incline cut lines look professional.

Great to hear, Derek! The AWD system is built for exactly those conditions.

K
Kimberly G.
Handles Slopes with Confidence

My backyard has noticeable slopes, and I was worried about traction. The S4 climbs steadily and maintains a consistent cut even on uneven ground. No slipping, no torn grass — very impressed with the stability.

B
Belinda W.
Pet-Friendly & Quiet Operation

With two dogs at home, safety and noise matter. The S4 runs quietly and avoids obstacles reliably. My pets are not bothered at all, and the lawn stays neat without loud gas mower noise.

E
Everardo N.
Compared it to a Husqvarna, S4 won

Cross-shopped the auto mowers. The Husqvarna needed a boundary wire; the S4's LiDAR and virtual perimeter meant no trenching. Easy call.

I
Isaias T.
Never loses its place

The thing that killed my last mower was losing position under the tree line. The S4 just doesn't. Consistent, even cut every single run.

R
Rigoberto M.
LiDAR is brilliant, rain sensor is cautious

Navigation under my canopy is perfect. The rain sensor is a touch conservative and pauses early, but I'd rather that than a soaked mower.

Thanks Rigoberto — noted on the app map refresh. We're streamlining it; reach support and we'll get you on the latest build. — SUNSEEKER Tech

Y
Yadira L.
Fired the landscaper

Was paying monthly for someone to mow around my trees. The S4 does it better and I cancelled the service. Paid for itself already.

Appreciate the honest feedback, Yadira. The rain sensor errs cautious on purpose, but support can adjust sensitivity and flag your account for updates. — SUNSEEKER Tech

L
Lorelei S.
Bought it for my dad's wooded lot

He'd struggled with a satellite mower for years. One afternoon with the S4 and his shaded yard is finally handled.

S
Solomon K.
My orchard yard finally has a mower that works

Half my lot is fruit trees and every GPS mower died in the shade. The S4's LiDAR maps between the trunks without losing signal. Incredible.

Thank you Solomon — LiDAR was engineered to keep mapping right under heavy canopy, so hearing it handled your shaded yard means a lot. — SUNSEEKER Tech

A
Ambrose R.
A CES honoree that lives up to it

You expect a lot from an award unit and the S4 delivers — flawless mapping through my shaded quarter acre, night after night.

N
Nadine Q.
Great under trees, app map redraws slowly

Navigation is flawless; the app map just takes a beat to refresh. Cosmetic, not a real issue. Still love it.

Appreciate the honest feedback, Nadine. The rain sensor errs cautious on purpose, but support can adjust sensitivity and flag your account for updates. — SUNSEEKER Tech

A
Abram P.
20 minutes and it was mowing

No wire to bury, no professional install. Drew the boundary, set it down, and it was working in about twenty minutes. Astonishing.

L
Leland O.
Shade is no longer my enemy

Every past mower gave up under my trees. The S4's LiDAR treats shade like it isn't there.

E
Emmett C.
Handles my shady quarter acre

Quarter acre, a dozen mature trees, and it maps around all of them and the beds without a hiccup. Sold on LiDAR forever.

B
Belen B.
Solid, app took some learning

Mapping is excellent; the app menus took a day to figure out. Minor gripe, great mower.

Appreciate the honest feedback, Belen. Charge time and app polish are active focuses — a firmware update is rolling out and support can flag your account. — SUNSEEKER Tech

p
phoulatsamy V.

We just got our life back! This thing has saved us alot of time and money. I would highly recommend it to everyone. My husband and i are 52yo and we dont have alot of timr and energy anymore to tackle the yard and this does it all. We done alot of research and this one cuts the lowest for us. We are able to set it to cut every other day absolutely would recommend

D
Derrick J.
solid, minor setup fiddling

Works great in the shade where nothing else did, and the 25-minute install claim was accurate for me. I did spend a little extra time getting the boundary just right near my patio, so budget a few more minutes there than the box suggests. Otherwise thrilled with it.

Derrick — fair callout on the patio boundary; hard edges like that reward a careful pass. We're refining the setup flow to flag those spots up front. Appreciate you taking the time. — SUNSEEKER Tech

G
Grace B.K.
quick and quiet

Set up fast, runs quiet, and my shady side yard finally gets mowed evenly. Happy customer.

B
Bradley A.N.
Finally one that doesn't lose its mind under my oaks

My last mower was GPS-based and it died every time it rolled under the big oak in front. The S4's LiDAR just doesn't care about the canopy. Cuts the shaded strip like it's open sky.