Eufy Security Solocam S340 vs Eufy Security Solo Indoorcam E220
We compare the Eufy Security Solocam S340 and the Eufy Security Solo Indoorcam E220 across every dimension that matters - our scores, the key specs, and how each performs on the things you will actually notice day to day.
At a glance
| Eufy Security Solocam S340 | Eufy Security Solo Indoorcam E220 | |
|---|---|---|
| Our score | 7.4/10 | 8.2/10 |
| Best for | Keeping an eye on your home, indoors or out, without a monthly fee | Keeping an eye on your home |
| Not ideal for | Buyers who want fully managed off-site cloud storage as standard | Buyers who want to avoid any subscription, unless it also records to local SD |
| Brand | Eufy | Eufy |
Video Quality and Resolution
Eufy Security Solocam S340
Video quality for the eufy Security SoloCam S340 (2MXR) is anchored by its 3K/5MP resolution, which helps capture more detail than basic low-resolution cameras, particularly when viewing areas at a distance. Higher resolution makes small objects and faces easier to recognise, but only if lighting and focus are adequate. The camera's 2-cam setup also supports wider coverage, which can reduce reliance on a single distant view. When events are recorded to local SD storage, clarity can still be affected by fast motion or distance. Overall, resolution is a strength, although not a guarantee.
Eufy Security Solo Indoorcam E220
The Eufy is described as a 2K indoor Wi-Fi plug-in camera, and that "2K" label is the main indicator of its video quality and resolution. "2K" usually signals a sharper image than standard 1080p, which can make faces, clothing and room items easier to distinguish when reviewed. Since it is designed for indoor use, resolution performance is most consistent when lighting levels stay stable. Network compression or playback processing can still soften fine detail.
Day and Night Vision
Eufy Security Solocam S340
Day and night performance for the eufy Security SoloCam S340 (2MXR) depends mainly on how well it uses the available light, since the product title confirms a 3K/5MP (3K) camera but does not specify infrared, night colour capability, or any exact low-light range. This means that evening scenes with streetlights or nearby windows usually look clearer, while deep darkness can reduce detail and contrast. The system's outdoor design supports all-weather viewing, yet night results still vary by distance and reflections from walls or fences. Dual cameras may help coverage, but night performance quality remains uncertain from the stated specifications alone.
Eufy Security Solo Indoorcam E220
Night vision is a key part of the Eufy's indoor coverage, described as an infrared-capable camera. This means the camera can switch to infrared illumination when ambient light drops, helping maintain visibility at night. Day viewing depends on the camera's 2K image capture, while night viewing relies on how infrared reflects from nearby surfaces, such as walls or ceilings. Clearer room lighting at dusk generally supports a smoother transition, while very dark spaces or heavily cluttered areas may reduce identification reliability.
Power and Placement
Eufy Security Solocam S340
Power and placement matter because the eufy Security SoloCam S340 (2MXR) is designed to be powered by solar and used outdoors, so mounting location affects how reliably it can charge and how clearly it can see. It performs best when it has a clear view of open sky, since reduced sun exposure can weaken performance. The camera's pan and tilt make it easier to cover key areas such as driveways and entrances, but placement still needs a clear line of sight to the routes that matter most. Avoid mounting it where bright surfaces create heavy glare, such as directly facing strong light sources, and position it high enough to reduce tampering. Weatherproofing supports outdoor use, though wind can shift angles and alter the view.
Eufy Security Solo Indoorcam E220
Power and placement decisions shape how well the Eufy can monitor an indoor area, since it is a wired, indoor Wi-Fi plug-in camera. Because it must be connected to mains power, it is best positioned near a usable socket, and the cord route should avoid trip hazards. For wider coverage, wall or shelf mounting at about head height can improve face-level viewing, and tilting the camera downward helps reduce ceiling glare. Placing it away from strong backlight windows can also lower exposure swings, while keeping it within reliable indoor Wi-Fi range supports steady live access.
Storage and Subscription
Eufy Security Solocam S340
Storage and subscription are central to the eufy Security SoloCam S340 because it records locally to an SD card, with no monthly fee for recording. Footage stays on the camera, so access is tied to the SD card rather than a cloud subscription. This can help keep ongoing costs lower than systems that require a paid plan for recording, but the SD card can fill up and files may need regular management depending on how the camera is used. The SoloCam S340 title does not specify SD card capacity, write speeds or overwrite behaviour, so these details should be confirmed during setup.
Eufy Security Solo Indoorcam E220
Storage and subscription for the Eufy (P24) matter because indoor cameras typically store footage either locally, via a paid plan, or through a specific hub. The product title indicates Homebase is not compatible, so it does not depend on that hub. The title does not specify whether recordings are saved locally or require a subscription, so storage methods and any plan requirements are unclear based on the provided information. Pros benefit from avoiding Homebase compatibility requirements. A key weakness is that shoppers need to confirm exactly where footage is stored, whether local storage is available and what, if any, subscription is required, before purchase.
Smart Detection and Alerts
Eufy Security Solocam S340
Smart detection and alerts are a core feature of the Eufy Security SoloCam S340, aimed at reducing how often users need to manually check footage. The camera detects motion and sends notifications, so events can be reviewed sooner. As an outdoor wireless 360° surveillance camera, detections can be triggered by changing light, weather changes, or moving objects in view, even when no person is present. Alert performance can be verified on a suitable test location by checking that motion alerts arrive as expected and that recordings are stored on the local SD card.
Eufy Security Solo Indoorcam E220
Smart detection and alerts are a key reason people choose the Eufy (P24), because it is listed as offering Human & Pet AI alongside motion tracking. The camera is designed to focus notifications on people or pets rather than every movement. This can reduce false alarms, particularly when indoor activity involves pets. The camera uses infrared night vision for darker scenes. Overall, AI-backed detection should help, but expectations should stay measured.
Two-Way Audio and Siren
Eufy Security Solocam S340
Two-way audio and a siren expand what this security camera can do beyond basic recording. Two-way audio enables real-time voice communication, allowing occupants to speak to a visitor or delivery staff without opening the door. The built-in siren provides an additional deterrent response when motion is detected, helping draw attention to an incident. Audio clarity depends on the surrounding environment, so messages may be harder to understand in noisy conditions or from a distance. The feature set is practical, but effective use depends on speaking clearly as alerts occur.
Eufy Security Solo Indoorcam E220
Beyond smart detection and alerts for people and pets, the Eufy (P24) includes two-way voice communication and a siren. This allows real-time talk when someone is at home, and it can also trigger an audible alarm via the built-in siren when an alert is activated. Two-way audio supports checking on visitors, deliveries, or pets without opening a door.
App and Setup
Eufy Security Solocam S340
After covering two-way audio and the built-in siren, it makes sense to look at how the eufy Security SoloCam S340 is actually set up and controlled, since the camera's usefulness depends on reliable app access. Installation begins by placing the outdoor wireless camera where it can charge from solar, then powering it via its included setup flow. In the eufy app, users add the SoloCam S340, connect it to 2.4 GHz Wi-Fi, and confirm local recording to an SD card (subscription-free for recording, as stated). Pan and tilt control is then available in-app for PTZ. Setup can feel fiddly if Wi-Fi signal is weak.
Eufy Security Solo Indoorcam E220
After unboxing, the Eufy (P24) is set up through the eufy Security app on a compatible mobile device, as it is designed for indoor Wi-Fi use. The user typically plugs the camera in, then opens the app to add a new device and follows the on-screen pairing steps. During setup, the app guides Wi-Fi connection and camera placement checks, and it may prompt firmware updates before viewing. Once connected, the camera becomes available for live viewing and motion monitoring controls. If pairing fails, the main fix is restarting the app and confirming the Wi-Fi signal strength near the camera.
Who Is This Security Camera For?
Eufy Security Solocam S340
The eufy Security SoloCam S340 (2-cam) is a good fit for people who want outdoor coverage with local, subscription-free recording, and who like the idea of moving the camera rather than relying on a fixed view. It suits households that need a wider outdoor view, since the dual cameras are designed to provide 360° surveillance and reduce blind spots. Solar charging is useful for driveways, gardens, and entrances where convenient access to regular charging may be limited.
Eufy Security Solo Indoorcam E220
Who is the Eufy (P24) best for? It suits people looking for an indoor, wired Wi-Fi camera with 2K video, infrared night vision, and motion tracking. The camera is also suited to households that want human and pet AI recognition, so alerts can be more focused than generic movement. Because it is plug-in and supports pan and tilt, it can cover multiple viewpoints without moving the unit. It is not aimed at buyers who require a Homebase system.
Eufy Security Solocam S340: pros
- 3K/5MP video
- Local SD storage - no subscription needed to record
- Solar charging with solar option
- Pan and tilt to follow movement
Cons
- Cloud backup and longer history still need an optional paid plan
- As a Wi-Fi camera, reliability depends on your home wireless signal at the mounting spot
- Wired power means it must be mounted near a socket or hardwired
Eufy Security Solo Indoorcam E220: pros
- 2K video
- Infrared night vision
- Wired
Cons
- Cloud recording and longer history usually need a paid subscription
- As a Wi-Fi camera, reliability depends on your home wireless signal at the mounting spot
- Wired power means it must be mounted near a socket or hardwired
Our verdict
Our pick is the Eufy Security Solo Indoorcam E220 (our score 8.2/10) - A practical security camera (2K, wired) for home security, with phone alerts and infrared night vision. The Eufy Security Solocam S340 is still worth it if it is cheaper when you check, or if it better matches your specific needs.

