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  • Eufy Cam S3 Pro
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Last updated June 2026

Eufy Cam S3 Pro

4.4
293 ratings
Launch Year: 2024

Model: T8162

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Our review

Eufy Cam S3 Pro Review: Stunning 4K Night Vision and No Monthly Fees, With Flaky Face ID

A 4K solar security camera with class-leading color night vision, local storage and no subscription, held back by unreliable face recognition, occasional app lag and mixed support.

The verdict

The Eufy Cam S3 Pro is a wireless, solar-powered 4K outdoor camera that stores footage locally on a HomeBase with no monthly fees, and owners are impressed. The standout is night vision: its MaxColor mode makes night look almost like daytime, clear and sharp without needing a spotlight, and reviewers repeatedly call it a game-changer and better than Arlo or Ring systems they upgraded from. The 4K image is excellent, the solar panel (with a free external panel in the kit) keeps the battery near full, person/vehicle/pet detection is accurate with few false alerts, and there are no subscriptions since clips are stored on the HomeBase. The weaknesses: the AI face recognition is unreliable (often misidentifying people), the app can lag when opening events, battery struggles in cold or heavily shaded spots, HomeKit is limited to 1080p, and customer service is inconsistent. For subscription-free 4K security with the best color night vision around, it is excellent; just do not rely on the face-ID feature.

Best for
  • Subscription-free 4K outdoor security
  • Excellent color night vision
  • Solar, wire-free placement
  • Upgraders from Arlo or Ring

Pros

  • Class-leading MaxColor night vision that looks close to daytime
  • Sharp 4K video and fast live-view loading
  • Solar panels (including a free external one) keep the battery near full
  • No monthly fees; local, encrypted storage on the HomeBase
  • Accurate person, vehicle and pet detection with few false alerts
  • Quick wire-free setup; HomeKit, Alexa, Google and Home Assistant support

Cons

  • AI face recognition is unreliable, often misidentifying people
  • App can lag when opening events or cameras
  • Battery struggles in cold, cloudy or heavily shaded spots
  • HomeKit is limited to 1080p (not 4K); requires a HomeBase
  • Customer service is inconsistent for defective units
  • Not an NVR replacement for large homes; no 4G, SmartThings or IFTTT

Who is the Cam S3 Pro for?

This is a wireless, solar-powered outdoor security camera for people who want top image quality without ongoing fees. It shoots up to 4K with HDR, MaxColor color night vision, a spotlight, a 135-degree view, two-way audio, RTSP and AI person, vehicle and pet detection. It runs on a rechargeable battery (rated up to a year) topped up by a built-in and included external solar panel, and stores footage locally on a Eufy HomeBase (16GB built-in, expandable) with no subscription required. It connects over Wi-Fi and works with Alexa, Google Home, Home Assistant and Apple HomeKit (at 1080p), but not SmartThings or IFTTT, and it requires a HomeBase. It best suits anyone wanting subscription-free 4K security, the best color night vision available, and wire-free solar placement, especially upgraders from Arlo or Ring. If you need reliable facial recognition or a whole-home NVR-style system, read the caveats first.

What buyers love

Night vision is the headline. Owners repeatedly rave about the MaxColor mode, which makes nighttime footage look close to daytime, clear and detailed without an IR or spotlight blast, and several call it the best they have seen, well ahead of Arlo Pro 2, Ring and other systems they replaced. The 4K daytime image is equally sharp, and the camera is fast, loading the live view noticeably quicker than Arlo. Power is a highlight: the solar panels (a bonus external one is included in kits) keep the battery near 100 percent, using so little energy that owners barely see the charge move, so there are effectively no batteries to change. AI detection for people, vehicles and pets works well and cuts false alerts from leaves and shadows. Above all, there are no monthly fees, with footage stored locally on the HomeBase (more secure than on the camera itself) and expandable memory, plus encryption. Setup is quick and wire-free (often under 15 minutes), two-way audio is clear, and owners appreciate durability, remote viewing, family sharing, and anti-theft siren alerts.

What to know before you buy

The most common complaint is the AI face recognition: owners find it unreliable, missing the correct identity at least half the time and sometimes confusing different people entirely, and it does little beyond naming a detected person (you cannot yet use it for useful rules like not recording a specific family member). The app can also lag noticeably when opening an event or camera, which several owners find annoying. Battery life, while excellent overall, suffers in cold or cloudy winters and in heavily shaded or high-traffic spots, so the external solar panel matters, and the app does not clearly show whether a camera is charging. Customer service is inconsistent: one owner with a defective camera describes ten back-and-forth emails, no phone support and a slow replacement process, though others report quick refunds. HomeKit is limited to 1080p (not 4K), the system depends on the camera reaching the HomeBase and stores per camera, so it is not a substitute for a wired NVR/CCTV setup in a large home, wild animals are sometimes tagged as pets, and software documentation is sparse. It also has no 4G, SmartThings or IFTTT.

Is the Cam S3 Pro worth it?

If you want subscription-free 4K outdoor security with genuinely class-leading color night vision, solar power and local storage, the Eufy Cam S3 Pro is one of the best cameras you can buy, and owners upgrading from Arlo or Ring are consistently thrilled. Buy it for what it does brilliantly, sharp 4K, superb night vision, reliable person/vehicle/pet alerts and no monthly fees, rather than for the AI face ID, which is unreliable today. Also plan for the external solar panel in shaded or cold locations, expect occasional app lag, and know HomeKit runs at 1080p and support can be hit or miss. Choose it if image quality, night vision and no-subscription local storage are your priorities; if you need dependable facial recognition or a whole-home wired system, weigh those limits first.

Frequently asked questions

How good is the night vision?

It is the camera's standout feature. The MaxColor color night vision makes nighttime footage look close to daytime, clear and sharp without needing a spotlight or IR, and owners repeatedly rate it the best they have used, well beyond Arlo and Ring cameras they upgraded from.

Do I need a subscription?

No. Footage is stored locally on the Eufy HomeBase (16GB built-in and expandable) with encryption, so there are no monthly fees. Eufy offers optional cloud storage, but most owners do not use it, which is a major reason people choose this system over Ring or Arlo.

Does the face recognition work?

Not reliably. Owners find the AI face ID misses the correct person at least half the time and can confuse different people, and it mostly just names a detected person rather than enabling useful automations. Person, vehicle and pet detection work well, but treat facial recognition as a work in progress.

How does it stay charged?

It runs on a rechargeable battery topped up by a built-in solar panel, and kits include a bonus external solar panel for shaded spots. Owners report it staying near 100 percent, though charging slows in cold, cloudy winters or heavily shaded, high-traffic locations, where the external panel helps.

Does it work with HomeKit?

Yes, but at 1080p rather than 4K. It also works with Alexa, Google Home and Home Assistant, but not SmartThings or IFTTT. Note the system requires a Eufy HomeBase, and it stores footage per camera on that base rather than acting as a wired NVR, so it suits homes rather than large multi-camera CCTV setups.

At a glance

Summary

Everything this camera supports, grouped by category.

Size & Materials
Weather Resistance (IP67)2.7 × 3.2 × 5.6 in (69 × 82.4 × 143.5 mm)1.2 lb (534 g)
Power
WiredRechargeable BatterySolar Charging
Connectivity
2.4 GHz WiFi
Storage
Cloud (Subscription required)
Integrations
Google HomeAlexaApple HomeKitHome Assistant
Video
HD Video2K Video4K VideoHDRBlack & White Night VisionColor Night Vision24/7 Live StreamingVideo Event HistoryOffline Video Event HistoryPowerless Video Event HistoryRTSP
Alerts
MotionPeopleAnimalsVehiclesFamiliar Faces
Features
LightTalk & ListenCustomizable Motion ZonesSiren

Price History

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Company
Eufy logo

Eufy

4.3/ 5 avg ratingChina flagHeadquartered in China

Eufy, a brand of Anker, makes a wide range of smart home and security devices including robot vacuums, security cameras, video doorbells and smart locks. Eufy emphasizes local storage and subscription-free options for its cameras, appealing to privacy-conscious buyers. Its products integrate with Alexa and Google Home.

Full specifications

Every spec, organized

Browse the full breakdown by category. Tap the on any row for what it means, or the for sources and documentation.

Size & Materials
Weather Resistance

IP67

Dimensions

2.7 × 3.2 × 5.6 in (69 × 82.4 × 143.5 mm)

Weight

1.2 lb (534 g)

Available in colors

NO

Included accessories
MicroSD Card

NO

Power
Wired

YES

PoE

NO

Rechargeable Battery

YES

13,000 mAh

Battery Life

12 months

Solar Charging

YES

Connectivity
2.4 GHz WiFi

YES

5 GHz WiFi

NO

Ethernet

NO

4G

NO

Storage
Internal

NO

MicroSD Card Slot

NO

Cloud

Subscription required

Integrations
Google Home

YES

Alexa

YES

Apple HomeKit

YES (1080p)

Samsung SmartThings

NO

Home Assistant

YES

IFTTT

NO

Video
HD Video

YES (1080p)

2K Video

YES

4K Video

YES

HDR

YES

Black & White Night Vision

YES

Color Night Vision

YES

24/7 Live Streaming

YES

24/7 Video History

NO

Video Event History

YES

Offline Video Event History

YES

Powerless Video Event History

YES

Aspect Ratio

?

Field of View

112° Horizontal / 60° Vertical / 135° Diagonal

Pan & Tilt

-

RTSP

YES

Alerts
Motion

YES

People

YES

Animals

YES

Vehicles

YES

Familiar Faces

YES

Packages

NO

Glass breaking Sound

NO

Baby Crying Sound

NO

Smoke Alarm Sound

NO

Carbon Monoxide Alarm Sound

NO

Hub
Zigbee Coordinator

NO

Thread Border Router

NO

Matter Bridge

NO

Features
Light

YES

GPS

NO

Talk & Listen

YES

Customizable Motion Zones

YES

Privacy Zone

?

Siren

YES

Gestures Recognition

NO

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