The new eufy Video Doorbell S4 is finally here, and this could be eufy's biggest doorbell upgrade yet!
eufy announced at the Berlin IFA Tech Event in September 2026 that only the WIRED version will be released now, with the BATTERY version being released at the end of 2026.
The S4 Doorbell reviewed in this video was a pre-release unit, therefore there may be some slight differences* between the model reviewed and the officially released versions. My aim was to give a genuine, real-world, hands on review of it's performance, features and capabilities at the time of testing.
*On-board storage is 4GB (Not 64 as stated in video)
In this video, I take a hands on, close look at the all-new S4 Doorbell, featuring a 3K camera, up to 24FPS, huge 180° panoramic field of view on both axis, Ai-powered OmniTrack subject tracking, Radar & Dual PIR detection, enhanced colour night vision and Wi-Fi 6 connectivity. Unlike previous dual-camera models, the S4 uses a single ultra-wide lens to capture a complete head-to-toe view of visitors and packages.
And, like all other eufyCams - SUBSCRIPTION FREE!
I'll cover:
✅ Design and installation
✅ Video quality and field of view
✅ AI tracking and motion detection
✅ Radar and PIR detection
✅ Package monitoring
✅ Night vision performance
✅ Battery, wired and solar power options
✅ My thoughts on whether it's worth upgrading from the E340 or S330
Could this be the best subscription-free video doorbell of 2026? Watch to find out!
As at September 2026, there is no official information yet on whether the doorbell is RTSP compatible.
👇 Let me know in the comments:
• Would you upgrade from the E340 or S330 or any other Doorbell?
• Is Ai tracking a feature you'd actually use?
• What feature do you still want eufy to add?
#eufy #eufysecurity #eufys4 #videodoorbell #smarthome #homesecurity #anker #doorbellcamera #techreview #homebase3 #s4doorbell 
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