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

Based on 130 reviews
Condition: New
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$349.99

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In stock Fulfilled by Best Buy
Limit 20 per order · Extended holiday returns

Returnable until Jan 15, 2027

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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At a glance

Condition
New
Model
T81721W1
Dimensions
3.62H × 6.48W × 6.5D in
Weight
2.76 lb
Color
White
Camera Resolution
3840 x 2160
Field Of View
130 degrees
In the box
eufycam S4 camera
Warranty
Parts: 1 year · Labor: 1 year
Works with
Amazon Alexa

Features 5

  • 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.

Description

Experience clear visibility and zero blind spots with the eufyCam S4 outdoor camera kit. Combining a 4K bullet lens camera for focused views with 2K dual-lens PTZ camera for 360° coverage, you can see more, instantly track people, and zoom in on them up to 164 ft. The solar-powered wireless camera features SolarPlus™ 2.0 for year-round charging with just an hour of sunlight a day. Smarter AI, expandable on-device storage**, and built-in lights with siren stop threats in their tracks—no fees, no compromises.

Specs 31

Brand eufy
Model Number T81721W1
Color White
Video Camera Resolution 4K (2160p)
Camera Resolution 3840 x 2160
Field Of View 130 degrees
Night Vision Yes
Night Vision Distance 50 feet

Frequently asked questions

Delivery and pickup availability for your ZIP code is shown above. You'll choose your shipping speed, delivery time or pickup store at checkout; installation and haul-away add-ons can be picked above or at checkout.

Yes, absolutely! This item's return window has been extended for the holiday season: Returnable until Jan 15, 2027.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Customer Reviews

Based on 130 verified Best Buy reviews.

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