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The eufyCam S4 is a wireless outdoor security camera that combines a fixed 4K wide-angle bullet lens with a dual-lens 2K PTZ unit in one housing. When the wide lens spots a person, vehicle or pet, the PTZ head locks on, tracks and zooms in, and zooms back out when more subjects appear. A 5.5W detachable solar panel keeps it charged with about an hour of direct sun a day, and it runs without a HomeBase on 32 GB built-in storage. It suits people who want one camera to cover a wide yard and still read detail far out, rather than buying a separate bullet and PTZ pair.
Availability unknownSold by Best Buy US
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Lowest price we've seen: $299.99 on Nov 13 at HardwareX Supply. Tracked across 14 stores since Nov 13.
Owners rate the eufyCam S4 highly, praising the wide-plus-zoom coverage and the fact that it works without a hub. Complaints center on the 2K zoomed image and on tracking that occasionally drops a fast-moving subject.
The eufyCam S4 is a security camera that combines a fixed bullet camera and a PTZ camera in one device. The upper 4K bullet lens gives a fixed 130° wide view. The lower 2K dual-lens PTZ camera offers 360° tracking and zoom.
When the bullet camera detects a subject, the PTZ camera locks on, tracks it and zooms in to capture details up to 164 ft away. If more subjects enter the frame, it zooms out so all of them stay visible. Radar and PIR sensors provide motion alerts with fewer false alarms. When a threat is detected within a set zone or schedule, red and blue warning lights and a 105 dB siren activate.
A 5.5W solar panel with SolarPlus™ 2.0 keeps the camera charged, and 1 hour of direct sunlight a day keeps it running. The panel is detachable. The camera works on its own without a HomeBase™, with on-device AI for human, vehicle and pet detection. With a HomeBase™ S380, BionicMind™ AI can tell family from strangers.









