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eufy - eufyCam S4 Triple Lens Wireless Solar Security Camera with 360° View, Auto Tracking, No Monthly Fees - White

Model: T81721W1
SKU: 6644014
Sold byBest Buy

Customers are saying

Customers highly value the exceptional video quality and reliable tracking performance of this camera, which consistently outperform competing brands. Users also frequently praise the straightforward installation process, long-lasting battery life, and effective motion detection capabilities. While the device offers impressive features like AI-guided recording and solar charging, some users have noted that its physical size makes it less discreet than they would prefer.

Generated by AI based on customer reviews.

Highlights

Features

  • testTri-Lens Tracking with Auto-Framing

    testThe fixed bullet lens never misses the big picture, while the PTZ dual lenses instantly locks and zooms on visitors or unwanted guests up to 164 ft, showcasing critical details. When multiple people enter, the camera automatically reframes so everyone stays in view—delivering coverage without blind spots.

  • Year-Round SolarPlus™ Power

    Just one hour of direct sunlight a day keeps eufyCam S4 powered thanks to a 5.5 W high-efficiency solar panel.† The SolarPlus™ 2.0 detachable design, praised in reviews for flexibility, makes installation easy on walls, poles, or eaves.

  • Smart and Self-Sufficient

    Works right out of the box—no HomeBase S380 required. On-device AI provides fast, reliable human, vehicle, and pet detection. Built-in 32GB storage is expandable up to 256GB, keeping recordings local and private.

  • Even Smarter with HomeBase S380

    Unlock additional camera functions if you want to pair outdoor camera with you existing HomeBase S380. Innovative BionicMind™ AI recognizes familiar faces and alerts you to strangers; it also detects and alerts you to people, vehicles, and pets detected. Enjoy large-scale capacity for all your video storage and data with expandable storage up to 16 TB for extra peace of mind.

  • Accurate Alerts, Strong Deterrence

    Dual radar + passive infrared (PIR) sensors cut false alarms more accurately over single-sensor systems. When a threat is confirmed, red/blue strobe lights flash and a 105 dB siren activates automatically to send intruders packing.

Specifications

  • Video Camera Resolution
    4K (2160p)
    Field Of View
    130 degrees
    Night Vision
    Yes
    Number Of Cameras Included
    1
    Camera Power Source
    Battery-powered, Solar powered
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Reviews

Rating 4.6 out of 5 stars with 124 reviews

5 star rating. 100 reviews4 star rating. 15 reviews3 star rating. 1 review2 star rating. 2 reviews1 star rating. 6 reviews
90% would recommend to a friend
Customers are sayingCustomers highly value the exceptional video quality and reliable tracking performance of this camera, which consistently outperform competing brands. Users also frequently praise the straightforward installation process, long-lasting battery life, and effective motion detection capabilities. While the device offers impressive features like AI-guided recording and solar charging, some users have noted that its physical size makes it less discreet than they would prefer.
This summary was generated by AI based on customer reviews.
  • Video Quality (45)
  • Tracking Performance (33)
  • Setup Ease (14)
  • Battery Life (13)
  • Motion Detection (9)
  • Size (4)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Great Camera!

    This camera completely surprised us the clarity the sound the ability to move in a areas that I don't typically see behind the camera... the solar Works fantastic the battery's always charged as long as you do what you're supposed to on the settings you never have to worry about plugging it into the electricity it can just be on the solar.. the Sound is amazing! I can even scare animals away if they come up in my yard it's so clear they hear me from several feet away! Thinking of buying another one for the back yard!

    Posted by JamesorangelM

  • Rated 5 out of 5 stars

    Zoom and clarity you need to protect youself.

    Thank you Eufy for this product. I have a neighbor who cantinues to make threats and is borderine stalking us. The detail and clarity of the video is absolutley incredible. With a tracking cam it has made it difficult for my neighbor to come on my property without being seen. One on each side of the house was all we needed and their nonsense has stopped. The fact that it leaves the main camera facing forward and then individually tracks people with the tracking Cam makes all the difference. Low light. No light it makes no differece. It sees everything.

    Posted by Coopman711

  • Rated 5 out of 5 stars

    Best outdoor security cameras yet!

    2 amazing cameras in one awesome unit, and one of the cameras is fully capable of tracking moving objects with zoom features and all! Please upgrade your "flood light" model with this same dual camera and you can take my money!! Only flaw I'd mention is the absolutely pi$$ poor wall mounting screws they provide... They most be made of aluminum foil because they strip faster then a collage drop-out at her second job. For the love of God either upgrade them or don't provide them at all as it's a pain in the neck when it's time to move cameras to new locations. I added a pic of garbage screw lol

    Posted by Four

  • Rated 5 out of 5 stars

    Best security camera for the price!

    It’s an amazing security camera, my favorite feature is the AI with the auto zoom. The best part NO SUBSCRIPTION!! Best night vision and because it has two cameras you can always see what’s going on even if the other camera zooms in.

    Posted by Felipe

  • Rated 5 out of 5 stars

    Great Combo Camera

    Movable camera tracks people, while fix camera has other area of views covered. Solar battery works well, the lighting feature great at night. Had great manager from BestBuy Aiea, Hawaii order it for me. Can not order direct from Eufy to send it to Hawaii. Say unavailable to send to Hawaii, BestBuy matched Eufy advertised price.

    Posted by RICHARDS

See all customer reviews
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Pros for eufy - eufyCam S4 Triple Lens Wireless Solar Security Camera with 360° View, Auto Tracking, No Monthly Fees - White
Setup Ease, Battery Life, Video Quality, Tracking Performance, Motion DetectionOverall Performance, Battery Life, Camera Quality, Ease of use, Solar PanelOverall Performance, Battery Life, Ease of UseSetup Ease, Storage, Connectivity
Cons for eufy - eufyCam S4 Triple Lens Wireless Solar Security Camera with 360° View, Auto Tracking, No Monthly Fees - White
SizeConnectivity, App Performance, Customer SupportThere were no cons for this product—There were no cons for this product—

Specs

Questions & Answers

  • Would 2 security cameras be enough to guard security on my house?

    It depends on the size and layout of your house, but for many homes, 2 cameras can be enough for basic coverage if they’re placed well.

    Answered by Eufy Team
    Eufy Team response

  • What is the video resolution of this camera?

    The video resolution of this camera is 4K (2160p).

    This question and answer was generated by AI based on customer and product data.

  • Does this camera have night vision?

    Yes, this camera has night vision with a distance of 50 feet.

    This question and answer was generated by AI based on customer and product data.

  • Is this camera compatible with Alexa?

    Yes, this camera works with Amazon Alexa.

    This question and answer was generated by AI based on customer and product data.

  • Does this security camera require monthly fees?

    No, this security camera does not require any monthly fees.

    This question and answer was generated by AI based on customer and product data.
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