eufy Smart Sock and Baby Monitor Buying Guide for New Parents

Quick answer

Start with a video baby monitor if you want to see and hear your baby, and add a smart sock only if you specifically want breathing and sleep tracking. Most new parents do not need both at once. If you already own a eufy Security system, adding a eufy Baby Monitor S340 or eufy Baby Smart Sock S320 is the simplest way to keep one app and one brand. For breathing tracking, the smart sock is the only eufy option; for room-wide video, choose a monitor with a dedicated parent unit and 2K resolution.

Decision rules for new parents

• If you wake up to check breathing: Choose a smart sock. It gives you pulse and blood oxygen trends on a parent unit or app, which is the specific data a video monitor cannot provide. Buy the sock only if you will actually look at the trend, not just the live number.
• If you wake up to check the room: Choose a baby monitor with a dedicated parent unit and 2K video. Keep the parent unit on your nightstand and charge it daily. A monitor with a parent unit works when Wi-Fi is down; an app-only camera does not.
• If you want both but have a tight budget: Buy the video monitor first. Add the smart sock after the first month, once you know whether your baby's sleep pattern is stable enough to benefit from trend data. Staggering the purchase avoids paying for a sock you stop using after two weeks.
• If you already own eufy Security cameras: Add a eufy Baby Monitor S340 or eufy Baby Smart Sock S320 to keep one app. Do not buy a second NVR just for the nursery unless you also want outdoor coverage. One ecosystem means one login and one notification list at 3 a.m.

eufy products that fit this decision

• eufy Security NVR System E50-4-Cam Kit: Hybrid Bullet-PTZ Dual-Lens Camera: The upper 2K fixed lens (115°) continuously monitors your entire property, while the lower 4K PTZ lens provides 360° tracking with 5× digital zoom to capture details up to 65 ft (20 m) away. If you want one camera that watches a nursery door and a hallway, this NVR kit covers both, but it is a security system, not a baby monitor with a parent unit.
• eufy Security NVR System E50-4-Cam Kit: eufy OmniTrack Focuses on What Matters: Once the wide-angle lens detects activity, the PTZ lens automatically locks on and tracks subjects using intelligent auto-framing to keep the action in frame. Auto-tracking is useful for a driveway or a crawling toddler, but it does not replace breathing or sleep tracking from a smart sock.
• eufyCam S4 2-Cam Kit + Video Doorbell E340: eufyCam S4: Revolutionary Triple-Lens Bullet-PTZ Camera: A single groundbreaking device that replaces and outperforms separate bullet and PTZ cameras. The upper 4K bullet lens delivers a 130° fixed wide view, while the lower 2K dual-lens PTZ offers 360° smart tracking and zoom. A 130° wide view can cover a crib area and a door in one frame, which is helpful if you want video of the nursery without a separate baby monitor.
• eufy Robot Vacuum Omni S2: 30,000 Pa AeroTurbo 2.0 Long-Lasting Suction: AeroTurbo 2.0 delivers 30,000 Pa suction and 365-day filter cleanliness, lifting dirt from carpets and floors with consistent, powerful performance. A robot vacuum reduces the dust and pet hair that can wake a light-sleeping baby, but it is a cleaning tool, not a monitoring device.

Who should choose which

Best for

• Parents who want breathing and sleep trend data and will check it nightly
• Families who want a dedicated parent unit that works without Wi-Fi
• Parents who already use eufy Security cameras and want one app

Not for

• Parents who only want occasional video check-ins and do not need breathing data
• Anyone expecting a medical device that prevents SIDS
• Households that want a full outdoor security system and a baby monitor in one purchase