Eufy Security Solocam S340 vs Eufy SoloCam S220
We compare the Eufy Security Solocam S340 and the Eufy SoloCam S220 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 SoloCam S220 | |
|---|---|---|
| Our score | 7.5/10 | 7.6/10 |
| Best for | Keeping an eye on your home, indoors or out, without a monthly fee | Keeping an eye on your home, indoors or out, without a monthly fee |
| Not ideal for | Buyers who want fully managed off-site cloud storage as standard | Buyers who want fully managed off-site cloud storage as standard |
| Brand | Eufy | Eufy |
Video Quality and Resolution
Eufy Security Solocam S340
Video quality is shaped by the SoloCam S340's dual-camera setup and its 3K/5MP resolution, which is designed to capture clearer details than standard lower-resolution cameras. The two cameras support wider coverage, which helps reduce gaps when monitoring outdoor areas. Exact results vary by scene, because distance and object size affect how much usable detail remains. The device uses 2.4 GHz Wi-Fi and supports local recording, so video quality largely reflects the camera's resolution rather than cloud processing, which is not stated. No dedicated compression or bitrate figures are provided, so file clarity cannot be precisely quantified.
Eufy SoloCam S220
With headline emphasis on 2K resolution, this security camera (MHX7) is positioned for more detailed outdoor video than basic lower-resolution options, making it easier to spot small features such as faces, signs, or other fine details during review. 2K support indicates sharper frames for playback. The product title confirms 2K, but does not provide frame-rate, bitrate, or lens details.
Day and Night Vision
Eufy Security Solocam S340
Day and night performance from the Eufy depends on how well its outdoor dual-camera system handles changing light, particularly when subjects move across the scene. In daylight, the camera's 3K/5MP recording should help keep faces and fine detail clearer, although results vary with weather and glare. At night, it needs to switch to low-light capture, and moving objects can create brief exposure changes as brightness varies across the frame. As an outdoor, wireless camera, it suits nighttime entrances, but constant shadows or strong backlight can reduce clarity. For best results, responsible positioning is important because the camera may capture beyond your property boundary depending on its field of view.
Eufy SoloCam S220
Day and night performance is one of the areas people will judge the Eufy (MHX7) on, because outdoor lighting changes quickly. During daylight, the camera can use its 2K video clarity, so faces and signs can appear sharper when there is good ambient light. At night, results depend on the scene conditions, as the review team reported variations based on the amount of nearby light, and edge detail can soften when subjects move quickly in low light. Overall, transitions are handled reasonably, but darker streets can reduce visible detail noticeably.
Power and Placement
Eufy Security Solocam S340
It is described as weatherproof, which points to outdoor use rather than sheltered indoor placement. For dependable operation, placement should prioritise direct daylight and consistent sun exposure across the seasons. Excess shade and shorter winter days could reduce solar charging. The camera's 360° coverage offers more flexibility when positioning, but strong Wi-Fi signal still matters for day-to-day performance.
Eufy SoloCam S220
Power and placement matter for the security camera (MHX7) because its outdoor setup depends on getting enough light for daily charging while keeping the view clear. It is solar powered, so placement is tied to how much sunlight it receives. The Eufy recommends placing it where the sun reaches most of the day and avoiding shaded walls, trees, and roof overhangs. After mounting, the image clarity should be checked at the usual viewing times, then the angle adjusted slightly. In winter or during rainy stretches, reduced charging may affect performance, with the exact impact varying.
Storage and Subscription
Eufy Security Solocam S340
Storage and subscription are key aspects of the Eufy setup because it supports local SD storage, allowing recordings to be saved on the device rather than relying on a paid cloud plan. This can help keep video local and reduce ongoing costs, but it also means SD card capacity must be managed. With local storage, it is important to check available space periodically, because a full card prevents new recordings. The product title also indicates HomeBase S380 compatibility.
Eufy SoloCam S220
Storage and subscription are tightly linked on the security camera (MHX7), because it is designed to record using local storage rather than a paid cloud plan. This setup can reduce ongoing costs by avoiding a required monthly service for recording. The camera relies on local storage, and it is described as HomeBase 3 compatible, which allows recordings and events to be routed through that system.
Smart Detection and Alerts
Eufy Security Solocam S340
Because smart detection strongly shapes day-to-day usefulness, the Eufy is designed to prioritise alerts rather than continuous motion recording. It uses a pan-and-tilt (PTZ) approach to help broaden the viewing area as activity occurs. Dual cameras are included to help reduce blind spots, and 360-degree surveillance can be useful outdoors where viewing angles shift. Alerts still depend on how well the camera's active coverage matches typical household routes, because detection misses can happen when people remain outside the camera's active zone. In routine testing, accuracy matters alongside notification speed.
Eufy SoloCam S220
Smart detection and alerts on the Eufy SoloCam S220 (MHX7) are designed to help homeowners respond quickly to outdoor events. The camera sends alerts over 2.4 GHz Wi-Fi and uses local storage, which means there is no monthly recording fee for storing footage on-device. In daily use, detection events trigger notifications so users can check what happened without waiting for a manual review. Footage remains accessible after alerts arrive due to local storage, while detection accuracy depends on outdoor conditions, and false alerts can require adjusting sensitivity.
Two-Way Audio and Siren
Eufy Security Solocam S340
Two-way audio and a siren provide an additional response once the SoloCam S340 detects activity, enabling deterrence and communication without someone needing to open the door. The system can play a warning sound, while two-way audio lets a person nearby be heard through the camera's speaker and microphone. This can help clarify what is happening, including whether a visitor is calling or if an intruder is present. Performance depends on ambient noise levels and proximity to the camera, and the outdoor design supports use at entrances.
Eufy SoloCam S220
With Eufy's SoloCam S220, two-way audio and a built-in siren are designed to let a homeowner communicate and deter an intruder via the app, without needing to be on site. When motion is detected, the camera can be used to speak, and the siren can be triggered as a warning. This setup supports delivery checks and can help deter suspicious activity while the person remains inside. Audio quality and siren volume depend on the surrounding noise level, and no detailed performance specifications are provided.
App and Setup
Eufy Security Solocam S340
Setting up the Eufy starts in the eufy Security app, where it guides the user through adding the camera to the account and choosing the right Wi-Fi network. The app prompts for basic location and pairing steps, then attempts a connection over 2.4 GHz Wi-Fi because the camera supports that band only. After pairing succeeds, the user can confirm the installation location and test live viewing. The strength is the guided workflow with clear prompts, while a weakness is that setup can fail if the network is unstable or the Wi-Fi credentials are incorrect.
Eufy SoloCam S220
App control and installation determine how smoothly the SoloCam S220 works once two-way audio and the built-in siren are ready for motion events. The user mounts the outdoor camera and confirms local power via its solar setup, which claims continuous power. The app then guides pairing over 2.4 GHz Wi-Fi, followed by permission prompts and motion detection zone setup. Recording uses local SD storage, with footage viewable without a subscription, while cloud features are not discussed. HomeBase 3 compatibility is listed, so setup may be easier with that hub, if available.
Who Is This Security Camera For?
Eufy Security Solocam S340
The Eufy is a good fit for homeowners who want outdoor coverage with pan-and-tilt control, without paying a monthly recording subscription. It suits people who prefer local recording, as it uses SD storage and avoids monthly fees, and those who want 3K home security video with dual cameras for clearer views. With 2.4 GHz Wi-Fi support and weatherproof design, it works well for typical suburban driveways, patios and front entrances. It is also suitable for buyers planning to pair it with HomeBase S380. Buyers looking for more advanced features may find gaps.
Eufy SoloCam S220
Who is the Eufy (MHX7) for? It suits people who want an outdoor security camera that streams in 2K and supports 2.4 GHz Wi-Fi. It is also a good fit for households that prefer local recording with no monthly fee by using SD storage, rather than subscription-based video access. Continuous power and solar charging make it especially suited to driveways, gardens, and detached entry points where battery life may otherwise be a limitation. Buyers should confirm their Wi-Fi coverage, as specifications beyond 2.4 GHz are not stated.
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 SoloCam S220: pros
- 2K video
- Local SD storage - no subscription needed to record
- Solar charging with solar option
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
Our verdict
Our pick is the Eufy SoloCam S220 (our score 7.6/10) - A practical security camera (2K, solar charging, no-subscription storage) for home security, with phone alerts and 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.