SKU: 88749671707
cybex eternis m

cybex eternis m CYBEX Eternis S SensorSafe All-in-One Convertible Car Seat

Sale price$25.20 Regular price$28.00
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Description

cybex eternis m CYBEX Eternis S SensorSafe All-in-One Convertible Car SeatThe CYBEX Eternis S with SensorSafe is the only car seat your child will need from their first ride home through every carpool adventure. With its three adaptable modesrear facing, forward facing, and boosterthe Eternis S is designed to protect children from birth up to 120 lbs. Built with CYBEXs signature safety features and thoughtful design, it ensures unparalleled comfort and security for your little one at every stage. From its advanced Linear

The CYBEX Eternis S with SensorSafe is the only car seat your child will need from their first ride home through every carpool adventure. With its three adaptable modes—rear-facing, forward-facing, and booster—the Eternis S is designed to protect children from birth up to 120 lbs. Built with CYBEX’s signature safety features and thoughtful design, it ensures unparalleled comfort and security for your little one at every stage. From its advanced Linear Side-impact Protection (L.S.P.) to the intuitive SensorSafe™ technology that monitors your child’s well-being, this car seat provides peace of mind wherever the road takes you.

What Is SensorSafe? Keeping Your Child’s Safety Front and Center

Equipped with SensorSafe™ technology, the CYBEX Eternis S delivers real-time safety alerts directly to your phone via the SensorSafe app. This innovative chest clip tracks critical safety indicators, such as unbuckling, temperature, and even periods of inactivity, helping you ensure your child’s safety without taking your eyes off the road.

Cybex Eternis S SensorSafe All-In-One Convertible Car Seat Features

3-in-1 Versatility: Switch between rear-facing (4-50 lbs.), forward-facing (22-65 lbs.), and booster (40-120 lbs.) modes to accommodate your child’s growth.
SensorSafe Technology: Safety alerts for peace of mind, including temperature and child unbuckling notifications.
Linear Side-Impact Protection (L.S.P.): Absorbs up to 25% more impact forces in a near side-impact crash.
12-Position Height-Adjustable Headrest: Grows with your child, making adjustments easy with no need to rethread the harness.
Internationally Patented 3-Position Reclining Headrest: Keeps your child’s head in a safe, comfortable position, reducing the risk of forward head slump.
In-Seat Recline and 6-Position Seat Recline: Designed for ergonomic support and extra legroom in the rear-facing position.
Magnetic Buckle Holders: Allows for easy seat entry and exit without searching for the buckle.

Cybex Eternis S SensorSafe All-in-One Convertible Car Seat Weight and Height Limits: How Long Can You Use Cybex Eternis?

Designed to grow with your child, the Eternis S supports rear-facing up to 50 lbs. or until your child reaches 48 inches, forward-facing up to 65 lbs., and then transitions to a high-back booster for children up to 120 lbs. This extended lifespan means your child can enjoy the safety and comfort of the Eternis S for up to 10 years.

Is CYBEX Eternis FAA Approved?

Yes, the CYBEX Eternis S is FAA-approved for air travel, ensuring your child’s safety in-flight. The FAA recommends securing children in an approved child restraint during flights for additional safety during unexpected turbulence. As always, please confirm with your airline before departure and refer to the car seat’s manual for aircraft installation instructions.

Cybex Eternis S SensorSafe All-In-One Convertible Car Seat Manual and Instructions for Installation

Installing the Eternis S is straightforward with CYBEX’s clear, detailed instructions, and it offers LATCH compatibility for secure installation. For a perfect fit and peace of mind, refer to the user manual for guidance on latch, tether, harness, and recline limitations for each mode.

Cybex Eternis S SensorSafe All-in-One Convertible Car Seat Reviews: Why Parents Love It

The CYBEX Eternis S with SensorSafe has received high praise from parents and caregivers who appreciate its seamless blend of safety, comfort, and durability. Many users highlight the SensorSafe technology, noting that it provides an added layer of security, especially for longer drives or busy days. Parents also love the versatile design, allowing them to use one seat for all stages of their child’s growth—from birth up to 10 years. The seat’s sturdy steel-reinforced frame and the unique L.S.P. system are often mentioned in reviews as standout safety features that make parents feel confident in their choice.

Another common highlight is the ease of use. Parents appreciate the adjustable headrest, easy recline options, and magnetic buckle holders, which simplify getting children in and out. Overall, the Eternis S offers long-term value and trusted safety, making it an exceptional investment in your child’s travel safety.

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Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 88749671707

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Bennett
San Leandro, US
★★★★★ 3
Good performance, flaky Wi-Fi connection
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The L50 physically works great - it does a good job of picking up dust and dirt at the end of the day. The pathfinder and route planning algorithm is fairly efficient at determining the best way to clean a room. Sometimes it kicks around bits of dust with its spinning brush without picking it up, but it's not often. What has been terrible, however, is the Wi-Fi support. Since our provider disabled 2.4 GHz support from their router modem without notice, I use a Mac Mini to supply the 2.4 GHz signal, and even though the Eufy is next to it and my phone gets full signal strength, it still can't connect to it half the time. After it fails to connect, it needs to be restarted or even reset to try to get the connection again. Support doesn't seem to be helpful in offering a solution.
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Reviewed in the United States on May 23, 2026
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Keith Trapp
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★★★★★ 5
Great little cleaner
Size: L50 Hybrid-renewed
I have a 2000 sqft condo with all stained concrete floors and this little vacuum does a great job. The set up in the app was very simple and the vacuum scanned the whole place and then got to cleaning. It takes it just under 2 hours to clean everywhere and then returns itself to the base for charging. The battery is at about 25% after the two hours. For $125 on Amazon Renewed, I can’t see how you could do better. I do empty the tray after each cleaning but that’s no big deal.
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Reviewed in the United States on September 10, 2024
B
Verified Purchase
Biermeister99
Charlottesville, US
★★★★★ 1
Run! Believe the bad reviews, they are shipping non-refurbished junk, no warranty or support!!
Size: L50 Hybrid-renewed
I have been a loyal Anker and especially Eufy devotee for at least a decade, I now have four levels to clean and have 6 Eufy's running! Well, I did. I got to #6 by purchasing this model, refurbished, I trusted in the Anker/Eufy brand that "Refurbished" really meant that, that it would be like new, and that while it only had a short warranty (3 months!), this would not really matter with Anker/Eufy quality and reliability. Unlike other companies in their neck of the woods, they have always taken pride in their brand and taking care of customers--I know this from personal experience. WRONG! The company is not what it used to be. This product is not "Refurbished, but like new" as I expected, and based on the many other reviews on here of people who just received used returned products. It seems Anker has reached a new low, and just try to harvest some profit off of returns by selling them to us on here. My L50 impressed me for exactly 3 months, and then started getting stuck, and stopping in the middle of the room without finishing. I should have returned it there and then, but I had no reason to distrust that the issue was resolvable, or Anker would take care of me. At 4-5 months it got worse, and wouldn't clean at all, and just bombed out saying laser error. I followed all the online debug steps (clean everything, make sure the laser turns and is clean/clear, factory reset, etc.). Same error. I set it aside as we got busy in the holidays. So, now, 6 months later, reaching out to customer service, get the door slammed in my face by the first responder ("Kelly"). Escalating, the second responder "Shane" helpfully sends me a link to their return policy, and "graciously" offers me about a $25 discount on new high end models costing $330-$690! Gee...thanks. So, leave me with a junk vacuum, and your "offer" is that I spend hundreds of dollars and trust you again?! No thanks! I guess my love affair with Eufy is over. No more will I recommend Eufy to all who will listen. I will certainly not be a customer in the future. They have "grown up", and think customers don't matter any more, we are just cash cows. Very sad...
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Reviewed in the United States on January 15, 2026
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Courtney Mury
Alexandria, US
★★★★★ 5
AMAZING!
Size: L50 Hybrid-renewed
I love the ability to map out our house and have it clean while we are gone. This machine has a good battery life, rarely gets stuck and works very well overall. We will not live without one now!
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Reviewed in the United States on December 4, 2024
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Amazon Customer
Chelsea, US
★★★★★ 4
Refurbished model parts missing, but Eufy/Anker fixed it.
Size: L50 Hybrid-renewed
I purchased a refurbished Robovac L50, and was excited to see if it was an improvement from my old 1s. Unfortunately the dust basket was missing a pin and that plastic screen that keeps the filter and foam in. I contacted the vendor, and Eufy responded quickly. The unit itself has laser guidance and a great app that lets you control it and set times, etc. It’s a definite evolution from the 1s. It is faster, cleans better, and allows you more ways to control it This is a great value for the money, especially for the refurbished price and the outstanding customer service.
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Reviewed in the United States on December 30, 2024

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