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Eufy EufyCam S4

Eufy EufyCam S4

Last price we saw

$349.99at Walmart, last seen Oct 31

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Our take on the Eufy EufyCam S4

The EufyCam S4 (model T8172) is a wireless outdoor bullet camera with a 4K main lens plus dual 2K lenses that pan and tilt for a full 360-degree view. It runs on a solar panel and battery rated for up to 365 days between charges, and it works with Alexa, Google Assistant and Apple HomeKit. It is a single-camera kit with a zoom lens, night vision and microSD storage. The latest best price is $219.99 at Eufy as of November 3, which is near the top of its recent range of about $180 to $230.

Best for
Homeowners who want one camera to cover a wide yard or driveway
Buyers who want to avoid wiring or frequent charging
Apple HomeKit and Alexa households
Renters or DIY installers mounting on a wall
Pros
  • 4K main view plus dual 2K pan-and-tilt coverage
  • Solar power with up to 365 days of battery life
  • Works with Alexa, Google Assistant and Apple HomeKit
  • Local microSD storage, no subscription required
  • Wireless Wi-Fi setup, no cabling
Cons
  • Single camera only; multi-camera coverage costs more
  • 2.4GHz Wi-Fi only, no 5GHz band
  • Pan-and-tilt motors can drain battery faster than a fixed camera
  • No NRTL safety listing on this model
  • MicroSD card not confirmed in the box

Eufy EufyCam S4 prices at every store

  • WalmartCheck price at Walmart
  • WalmartCheck price at Walmart

Eufy EufyCam S4 price history

Lowest price we've seen: $349.99 on Oct 31 at Walmart. Tracked across 1 store since Oct 31.

What reviewers say

Owner feedback on the EufyCam S4 line is generally positive on image quality and the solar trickle charge, with complaints centered on app setup and motion alerts.

Pros
  • Sharp 4K daytime footage
  • Solar panel keeps the battery topped up in sunny spots
  • Local storage avoids monthly fees
Cons
  • Motion detection can trigger on wind and pets
  • App notifications can be slow or noisy
  • Pan-and-tilt uses more battery in cold weather

Specifications

Has night vision
YSource
Resolution
4K + Dual 2KSource
Field of view
360 ºSource
Rec location
OutdoorSource
Power type
SolarSource
Wireless
Wi-Fi, BluetoothSource
Brand
eufySource
Battery life
365 DaysSource
Mount type
Wall MountSource
Camera type
Bullet Surveillance CamerasSource
Lens type
Zoom LensSource
Number of cameras
1Source
Mem card type
Micro SDSource
Compatibility
2.4GHz Wi-Fi, SmartphoneSource
Smart control
Alexa, Google Assistant, Apple HomeKitSource
OS
APPSource
Number of megapixels
16 MPSource
Assembled product weight
2.72 lbSource
Has nrtl listing certification
NSource
Piece count
1Source
Model
T8172Source
Battery size
14650Source

Questions and answers

Is the EufyCam S4 worth it?
Yes if you want one wireless camera with wide pan-and-tilt coverage and no subscription. If you need several cameras or 5GHz Wi-Fi, compare multi-camera kits first.
How does it compare with the EufyCam S3?
The S4 adds dual 2K pan-and-tilt lenses for 360-degree coverage on top of the 4K main view. The S3 is a fixed-lens camera, so it covers less area per unit.
How long does the battery last?
Eufy rates it at up to 365 days with solar charging in good sun. Heavy pan-and-tilt use and cold weather will shorten that.
Does it work with Apple HomeKit?
Yes, it supports Apple HomeKit, Alexa and Google Assistant. Check that your HomeKit hub supports the camera's 2.4GHz Wi-Fi connection.
What is in the box?
The kit includes one camera, a solar panel, a wall mount and mounting hardware. A microSD card is not confirmed, so plan to buy one.
When is it cheapest?
It has sold between about $180 and $230 recently. The current $219.99 at Eufy as of November 3 is near the high end, so waiting for a sale could save money.

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