Eufy Wired Cam C31 vs SwitchBot Outdoor Pan/Tilt Cam 3K

Human detection is on by default and drives the AI auto tracking.

Person detection is included with the camera alone and with no monthly fee, per the SwitchBot AI Guard plan table.

The user guide states the device only supports 2.4GHz Wi-Fi networks.

The spec sheet lists two hexagonal activity zones.

Detection zones let users focus monitoring on a gate, driveway or backyard.

A spotlight sits on the camera head and doubles as one of the three night vision modes and as part of the light alarm.

Four white fill lights double as an active deterrent.

Alarm can be triggered manually or automatically, paired with the spotlight for a sound and light deterrent.

The press release lists manual light-and-alarm controls for active deterrence.

Two-way talk over the built-in microphone and speaker.

Two-way audio with a high-sensitivity microphone and speaker, per the press release.

The spec sheet lists storage as Micro SD (up to 256GB, not included), and the box holds the camera, a 5V/1A USB adapter, a USB-C cable, a mounting bracket, a screw pack and the quick start guide.

The official spec sheet lists Smart Integration as Alexa and Google Assistant.

The official spec table lists Alexa under third-party services, and Amazon says it works with Alexa.

The product FAQ states plainly that connection to HomeKit is not supported, and the C31 is absent from eufy's list of HomeKit-compatible devices.

Apple Home is not listed by SwitchBot and the camera is not a HomeKit accessory.

The official spec sheet lists Smart Integration as Alexa and Google Assistant.

The official spec table lists Google Home under third-party services, and Amazon says it works with Google Assistant.

The CSA certified-product database holds only a eufy robot vacuum and the eufy Video Smart Lock S3 from Anker Innovations, no camera, and eufy's own spec sheet names only Alexa and Google Assistant.

Matter is not listed by SwitchBot for this camera, whose third-party services are Alexa, Google Home and RTSP.

eufy's spec sheet has a Smart Integration row and it names only Alexa and Google Assistant. The camera is not Matter certified either, so there is no automatic Works with SmartThings path.

SmartThings is not listed among the SwitchBot third-party services.

The camera body has only a USB-C port, a microSD slot and a SYNC button. The Ethernet port belongs to the optional HomeBase Mini.

Mains powered over a USB-C port; continuous power is what enables the 24/7 recording.

Mains powered by a DC 12V / 2A adapter, per the official spec table.

Local recording is subscription free; cloud storage is an optional paid plan.

Cloud storage is part of the paid AI Guard plans; local microSD recording needs no plan.

eufy states the C31 has no built-in storage: recording needs a microSD card or a HomeBase.

microSD card slot under a screwed cover, 32GB to 256GB, sold separately.

Local storage supports microSD cards up to 512GB, per the Amazon listing and the SwitchBot press release.

Continuous 24/7 recording once a microSD card is inserted or the camera is paired with a HomeBase.

Amazon states non-stop 24/7 continuous recording with no monthly fees for local storage.

Infrared is one of the three night vision modes, alongside PureColor and Spotlight.

Four 850nm infrared LEDs provide black and white night vision.

PureColor Vision is the default night mode and works without the spotlight.

Four white fill lights support full-color low-light viewing.

1080P (1920 x 1080) with an f/1.2 aperture and a 1/2.9 inch CMOS sensor.

Footage is written to the microSD card or the HomeBase, so events are kept without any cloud plan.

Events record to the local microSD card and the AI Hub, so clips survive an internet outage.

The camera has no battery and stops recording when mains power is lost.