Skip to content
Cart
Load video:
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.

Load video:
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.

Load video:

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.

Load video:

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

Load video:
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.

Load video:

LiDAR-led 3D Understanding

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

Load video:

Predictable, Systematic Paths

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

Load video:

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.

Load video:
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.

Load video:

Floating Cutting Disc

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

Load video:

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
Load video: See the mapping accuracy for yourself
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.

Shop Now
  • 5 stars: 29 (73%)
  • 4 stars: 8 (20%)
  • 3 stars: 3 (8%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
O
Omar J.H.
Good mower, one firmware hiccup

Overall I like it and the garage shelter was a smart buy for keeping the dock protected out by the fence. Being honest though: after a firmware update my no-go zones reset and I had to walk the map again to re-set them around the flower beds. Not the end of the world but I wish updates preserved that. Support answered but took a couple days. Mower hardware and the shelter are both solid, just wanted to flag the software side.

Thanks for flagging this, Omar — you're right that an update shouldn't wipe your no-go zones, and we're fixing update behavior to preserve custom zones. In the meantime our team can email you the steps to back them up before updating. On the slow reply, that's on us and we've added staff to shorten wait times. — SUNSEEKER Tech

R
Renee C.
Really good, wish the cover was a touch taller

No complaints about the mower — cuts clean, quiet, maps our quarter acre fine. The garage shelter does its job protecting the dock. My only small wish is that it had another inch or two of clearance so I could sweep grass out from under it more easily. Minor thing. Four stars, happy customer.

Appreciate the honest note — the clearance-for-cleanup idea is a good one and I'm passing it to the product team. Glad it's cutting clean for you. — SUNSEEKER Tech

T
Tyler O.
Great mower, garage took a bit to assemble

The S4 itself is fantastic and the LiDAR handles our tree-heavy lot with no drama. Only nitpick is the garage shelter took me a good 45 minutes to put together and the instructions could be clearer on the panel order. Once it's up though it's solid and the mower parks right in. Would still buy again.

Fair point on the shelter assembly — the panel order trips people up and we're reworking that page in the manual. Thanks for the patience, and glad the LiDAR's behaving on your lot. — SUNSEEKER Tech

J
Jerome B.
clumps a bit in wet grass

The garage and the LiDAR are both great — navigation never gets lost even under my pines. What knocks it to three stars for now is wet-grass clumping. If I let it run right after rain it leaves little rows of clippings I have to rake. Nav is fine, it's just the cut on soaking grass. I've started scheduling it for drier windows and that helps a lot.

Honest feedback, Jerome, and clumping on soaked grass is something we hear. Scheduling for drier windows like you're doing is the best workaround today, and a slightly higher cut height helps too. We're testing blade and airflow tweaks to reduce it — no excuses, it's on our list. Glad the LiDAR and shelter are holding up. — SUNSEEKER Tech

D
Devon M.
Came from a corded setup, huge upgrade

Used to run a wired perimeter mower and hated re-splicing the boundary wire every spring. The S4 is wire-free and the LiDAR just knows where to go. Ordered it with the garage so the dock lives outside protected — no more running an extension cord out to a shed. Everything about this is less hassle than what I had.

L
Laura W.
Good machine, one firmware hiccup

I want to be fair because the mower is genuinely good and the garage keeps everything dry through our wet springs. My issue: a firmware update reset my no-go zones and I had to redraw them around the flower beds. Not the end of the world but I didn't get a heads-up it would happen. Support was helpful once I called.

You're right that an update shouldn't quietly wipe your no-go zones, Laura — that's on us to communicate better, and we're adding a clearer prompt before updates that touch saved maps. In the meantime you can export your zones as a backup; support can show you how. Thanks for the patience and the fair write-up. — SUNSEEKER Tech

A
Alicia G.
Keeps the base dry, keeps me sane

Rains a lot here in the spring. The garage shelter keeps the charging dock and the mower dry so it's ready to go the second the grass is. No more wiping down a soaked base. Cut quality is even and quiet enough that I run it while the kids nap.

R
Rosa R.D.
Great bundle, garage took me a bit to put together

No complaints about the mower — the S4 is quiet, sets up fast, and doesn't get lost under my maples the way the GPS unit did. The only thing is the garage assembly took me longer than the twenty-minute mower setup, maybe forty-five minutes with the panels. Once it's up it's solid and the dock stays dry. Would still buy the bundle again.

Fair callout, Rosa — the garage does take longer than the mower itself, and we're working on clearer panel steps to speed that up. Glad it's keeping your dock dry and that the S4 is behaving under the maples. — SUNSEEKER Tech

K
Kevin O.
Skeptical about the garage, won over

Thought the shelter was an upsell gimmick. It's not. After the first big storm the dock contacts were bone dry while my neighbor's exposed mower base was corroding. Mowing itself is quiet and it maps under the tree canopy no problem.

P
Priya K.N.
bought this for my dad and he actually uses it

my dad is 74 and hates fussing with tech, but the S4 was basically ready to go and the little garage means he doesn't have to bend down and carry it anywhere. it just drives in and parks. he calls it his robot's house. the lidar handles the pines along his fence line that always confused the old wired mower. peace of mind for me, honestly.

Love that he named it a house, Priya — the shelter really was built so nobody has to bend or haul, and it's great to hear the LiDAR is handling those pines cleanly. Give your dad our thanks. — SUNSEEKER Tech

D
David S.C.
Solid buy overall

Came over from a wired setup I'd fought with for years. This is night and day easier. Shelter keeps the dock dry. My one nitpick is I wish it had come with a spare blade set too — I'll be ordering those separately.

Fair point, David — a lot of folks pair this with our blade kit for exactly that reason, and we're weighing a combined bundle. Thanks for making the switch from wired, and enjoy the easier seasons ahead. — SUNSEEKER Tech

G
Greg H.
SKEPTICAL AT FIRST, NOW A BELIEVER

I'll admit I thought the whole robot mower thing was a gimmick and the garage add-on was just a way to upsell me. Wrong on both counts. The mower is genuinely good and the shelter means I never think about where to store it or whether rain is coming. Set-and-forget.

S
Sophia N.
very good, wish setup guide was clearer

The mower is excellent and the garage is a smart add — mine's been through a month of afternoon thunderstorms and the base is spotless. Docking one star short only because pairing the app took a couple tries on day one before it connected. After that, smooth.

Thanks for the honest note, Sophia — day-one pairing shouldn't take multiple tries and our team can walk you through a quick reset if it ever hiccups again. Glad the garage is keeping that base spotless. — SUNSEEKER Tech

M
Marcus R.
garage took me a bit to put together

No complaints about the mower — the LiDAR is the real deal under my oaks. Just a heads up that the garage took me a solid half hour to assemble and the instructions were a little thin. Once it was up though it's rock solid and I stopped worrying about the dock in the rain. Still a four just for the fiddly build.

Fair callout, Marcus — the shelter assembly can be fiddly and we're reworking those instructions to be clearer. Glad the LiDAR earned its keep under your oaks. — SUNSEEKER Tech

L
Lauren K.
Great for a small shady lot

Quarter acre, lots of tree cover, and this handled it without complaint. The garage was easy to position over the base. Would recommend to anyone whose yard confused their last mower.

K
Kevin N.
Skeptic here, converted

I'll admit I thought robot mowers were a gimmick and that a shelter was upsell nonsense. Wrong on both. The LiDAR mapping is genuinely smart around my flower beds, and after the first hailstorm rolled through and the mower was tucked safe under the garage, I got why the bundle exists. No regrets.

A
Ana D.
clean cut, dry dock

Cuts evenly, quiet enough that I run it midday without annoying anyone, and the shelter keeps the charging contacts dry so I've never had a docking issue. Simple and it delivers.

T
Terrence B.
SHADE WAS THE WHOLE PROBLEM

Returned two other robot mowers because they couldn't handle the wooded side of my lot. This one just works under the canopy. The garage was a nice-to-have that turned into a must-have once the pollen and sap season hit — dock stays clean.

M
Maria D.D.
Really happy, wish app pairing was smoother

Everything about this bundle is good. The garage is a genuinely useful add-on and the mower is quiet and thorough. Docking one star only because pairing the app took me two or three tries before it connected. After that it's been flawless for six weeks.

Appreciate you sticking with it through the pairing, Maria. If it acts up again, a quick router reboot before pairing usually does the trick — and our support line can walk you through it. Glad the garage is earning its keep. — SUNSEEKER Tech

P
Priya B.N.
Bought this for my dad

My father is 78 and mowing was getting to be too much for him in the summer heat. Got him the S4 with the garage so there's nothing for him to lift or store — it lives outside under the cover and does its thing. He calls it his little robot and brags to the neighbors. Setup was easy enough that I had it running in an afternoon on my visit.

This made our day. Tell your dad his little robot has a fan club over here. Really glad the outdoor shelter took the lifting out of it for him. — SUNSEEKER Tech

K
Kristin B.
worth it for the cover alone

Snow country here. Being able to leave the dock outside under the shelter through the shoulder seasons is a big deal. Cuts great too.

S
Steven M.
Great mower, garage took a while to build

No complaints about the S4 itself — maps our wooded lot flawlessly and the cut is even. The only thing is the garage shelter assembly took me closer to an hour with the panels and hardware. Instructions were fine, just more steps than I figured. Once it's up it's great and rock solid.

Thanks for the honest note, Steven — you're right that the shelter has a few more steps than the mower setup. We're looking at ways to cut down the panel count in future kits. Glad the S4 is treating your wooded lot well. — SUNSEEKER Tech

M
Marcus F.
Shady backyard finally has a mower that works

Two big oaks in the back and every GPS mower I tried before would just lose its mind under the canopy and stop. The S4 with the LiDAR maps right through the shade, no wandering. Grabbed the garage cover in the same order so the base stays out of the weather. Zero regrets.

C
Cindy K.
Just works

Set it, forget it, and the shelter keeps it out of the rain. That's the whole review.

D
Dana G.W.
No more dragging it into the shed

Bought the S4 with the garage shelter and honestly the shelter is what sold me. Our dock sits at the far corner of the yard and I was NOT hauling a mower back to the garage every night. It just parks itself under the little cover, stays dry through the rain, and I forget about it. Setup took maybe 20 minutes.

M
Michelle C.
My dad actually uses it

Bought this for my father who is 78 and stubborn about technology. The wire-free setup meant I could get it running in an afternoon when I visited, and the garage means he never has to bend down to move it out of the weather. He's called me twice just to say the lawn looks great.

This made our week, Michelle — tell your dad the crew says hello, and we're glad the wire-free setup made it easy on both of you. — SUNSEEKER Tech

R
Ravi S.
Techie take

The 3D LiDAR mapping is the real deal — I watched the point cloud build in the app and it nailed the tree line under the canopy where every GPS unit I demoed drifted. Bundled the garage because leaving electronics in the elements is asking for trouble. Base stays dry, mower stays cool. Solid engineering all around.