Quick answer
Choose the eufy SoloCam S340 if you want a single camera with dual-lens 3K clarity, 8× zoom, and a 360° view for wide areas. Choose the eufy SoloCam E30 if you need AI auto-lock tracking and 360° pan in a compact solar camera, or if you want it bundled with a HomeBase S380 and Video Doorbell E340 for a complete system. Neither requires a subscription for core recording.
eufy SoloCam E30
Field of view and tracking: what each camera actually covers
The SoloCam S340 pairs an upper wide-angle lens with a lower PTZ lens to deliver a 360° guardian view with no blind spots, plus 8× zoom to inspect details up to 40 ft (12 m) away. The SoloCam E30 also provides 360° pan coverage, but its standout is AI Auto Lock and Tracking: when it detects a human or vehicle, it locks on and records their movement across the scene. If you mainly want to monitor a wide yard or driveway and zoom in on distant details, the S340’s dual-camera design is more flexible. If you care most about following a person or car as they move through the frame, the E30’s tracking is the more direct fit.
Power and placement: solar behavior and installation realities
Both cameras are solar-powered, but the details differ. The SoloCam S340 uses a removable solar panel and is designed to install once and run continuously, so you can position the panel for best sun exposure. The SoloCam E30 also relies on a removable solar panel for Forever Power, which helps on cloudy days or shaded mounting spots. In practice, the S340’s dual-lens body may need a bit more clearance to aim both lenses, while the E30’s single-lens pan design is simpler to angle. Neither camera includes a subscription for basic motion recording, so local storage or a HomeBase (if bundled) handles your footage.
System fit: standalone camera vs bundle value
The SoloCam S340 is sold as a standalone camera, which makes it a straightforward add-on if you already have a HomeBase or just want one more viewpoint. The SoloCam E30 is available in a bundle with the HomeBase S380 and https://eufydu.com/products/t8214111-ca31ae734a0767f62503888f-563400Video Doorbell E340 (Battery Powered), giving you a coordinated setup for front-door and yard coverage in one purchase. If you are building a system from scratch and want doorbell plus camera coverage, the bundle reduces the number of separate decisions. If you only need one camera to fill a gap, the standalone S340 keeps things simple.
Trade-offs to weigh before you buy
- S340: dual-lens flexibility vs. larger body: The S340’s dual-camera design delivers 3K clarity and 8× zoom, but its wider housing may need more mounting space and careful aiming to avoid obstruction. Best if you want zoom and a wide view from one camera and have room to mount it.
- E30: AI tracking vs. single-lens zoom limits: The E30 follows humans and vehicles with AI Auto Lock and Tracking, but it does not offer the S340’s 8× zoom or dual-lens 3K detail. Best if tracking movement matters more than zooming in on far-away details.
- Bundle vs. standalone: convenience vs. cost control: The E30 bundle includes a HomeBase S380 and Video Doorbell E340, which adds upfront cost but covers door and yard in one package. The S340 is a single camera, so you only pay for what you need now. Choose the bundle for a full starter system; choose the S340 to expand an existing setup.
Key specs at a glance
- eufy SoloCam S340: Enhanced Dual-Camera Clarity at Up to 40 ft (12 m): 3K resolution with 8× zoom and 360° Guardian coverage. You get both a wide overview and the ability to zoom in on distant details without losing context, which is useful for large yards or driveways.
- eufy SoloCam E30 + HomeBase™ S380 + Video Doorbell E340 (Battery Powered): eufy SoloCam E30 with 360° Vision, AI Auto Lock and Tracking, and removable solar panel for Forever Power; includes HomeBase S380 and Video Doorbell E340 (Battery Powered). The E30 tracks people and vehicles automatically, and the bundle gives you a complete front-door and yard system with local storage via HomeBase.
- eufy 4K NVR S4 Max (No HDD): 4K Triple-Lens Bullet-PTZ Camera with 122° fixed view, 2K PTZ auto-zoom, and 360° coverage; auto-framing and group tracking up to 164 ft. If you need the highest resolution and long-range tracking across a very large property, this NVR-based system is a different tier than either SoloCam.
Which eufy SoloCam should you choose?
Choose this if
- You want a single camera with 3K dual-lens clarity, 8× zoom, and 360° coverage for a wide yard or driveway (SoloCam S340).
- You need AI auto-lock tracking that follows people and vehicles, plus a bundled HomeBase and doorbell for whole-home coverage (SoloCam E30 bundle).
- You prefer a solar-powered camera without a subscription for core recording.
Skip this if
- You need 4K resolution and long-range tracking up to 164 ft across a very large property—consider the eufy 4K NVR S4 Max instead.
- You want a camera with a built-in spotlight or siren (neither SoloCam model lists these features in the supplied specs).
