Skip to content

What Is an IR Dash Cam?

Our advice on choosing cabin coverage and understanding road-facing low-light features

Do you need an interior camera?

At BlackboxMyCar, we help you choose dash cams for safety and peace of mind on and off the road. For a taxi, rideshare vehicle, fleet or private car, we start with what you want to see and when. A cabin view may fit that need; compare the system’s actual recording views before choosing by a night-vision label.

Monochrome cabin still with a driver in front, a rear passenger and a 2019 BlackVue DR900S-2CH overlay
Cabin recording from 2019 with DR900S-2CH markings. This earlier example is not a test of the models discussed below.

What infrared cabin recording does

An infrared cabin camera uses an IR-sensitive image sensor with an infrared light source to record the interior in low light. The LEDs provide illumination; they are not the sensors that turn the scene into video.

This is different from thermal imaging, which detects heat radiation. An illuminated cabin recording is not a heat map, and infrared is not a guarantee of visibility through every obstruction or in every weather condition.

Cabin still with two occupants and a 2023-02-01 BlackVue DR770X FHD-FHD overlay
Cabin recording dated 2023-02-01 with BlackVue DR770X/FHD-FHD markings. Use it as an interior-view example, rather than a new test or a prediction of another camera’s performance.
Watch IR dash cam video 1

Watch alongside the exact camera and installation instructions. This video is background material, rather than a controlled performance comparison.

Which views do you need?

IR systems are not limited to two channels. A front-and-cabin system combines a road view with an interior view; a three-channel setup can add a separate rear view. Check the exact kit rather than assuming that every secondary camera is infrared.

If you need to review incidents or driver concerns, consider cabin footage as part of your taxi, rideshare or fleet setup. It does not prevent every incident, guarantee savings or determine legal or licensing outcomes. Review the recording, audio and passenger-notice requirements for your intended use.

Before settling on a position, we recommend checking a saved cabin view with your seating layout. Seats, occupants, distance, mounting position and illumination affect what is visible; a wide-angle specification does not guarantee that every face or detail will be recorded.

Uber logo
Uber rideshare use case. The logo does not establish a partnership, approval or compliance with platform requirements.
Lyft logo
Lyft rideshare use case. The logo does not establish a partnership, approval or compliance with platform requirements.

Can a cabin IR camera record through glass?

IR illumination can reflect from nearby glass or other surfaces and interfere with the image. The result depends on the camera, illumination, mounting and surroundings. Do not assume that glass always blocks infrared or that an inward-facing camera will provide a useful road view through a windshield.

For the exterior view, we suggest a road-facing camera fitted according to its instructions. Before relying on an alternative position, check a saved clip in the lighting you expect. IR footage can render colours differently from ordinary daylight video, including a largely black-and-white night view on some models.

Yellow taxi icon
For taxi use, match recording, notice and equipment requirements to your service and vehicle.

Infrared illumination, STARVIS and HDR are different

Sensor names such as STARVIS and processing features such as HDR or a manufacturer’s night mode do not by themselves establish that a camera emits infrared illumination. A low-light road camera and an IR-illuminated cabin camera solve different recording needs.

Consider the Thinkware U3000 as a road-camera example. Use its exact specifications when comparing it: a “Super Night Vision” label does not promise infrared cabin coverage. Available light, lens, settings and scene conditions still matter.

For a dark cabin, look for a compatible camera with IR illumination suited to the view you need. Within its illuminated area, IR can support recording with little or no visible cabin light. It cannot guarantee readable detail at every distance or throughout the vehicle. We advise checking saved images and supported IR settings, because night-vision labels do not describe every system the same way.

Blue bus icon
Commercial-vehicle use. The illustration does not establish certification or compatibility with every vehicle.
Watch IR dash cam video 2

Watch alongside the exact camera and installation instructions. This video is background material, rather than a controlled performance comparison.

Example: VIOFO A229 Pro 3CH

The VIOFO A229 Pro 3-Channel is a front, rear and cabin system. The manufacturer’s exact 3CH specification lists 4K front, 2K rear and 1080P interior recording at 30 FPS with HDR. Its cabin camera uses a Sony STARVIS IMX307 sensor and IR illumination.

Choose this A229 Pro 3CH configuration when you need front, rear and cabin views, then assess each channel separately. It is distinct from other A229 generations and does not guarantee plate readability. The rear camera and IR cabin camera are different units with different jobs.

The manufacturer describes automatic IR activation in low light. Match the supplied cabin camera and settings to the exact version; do not copy LED counts, lens construction or included accessories from another version. We suggest reviewing the seller’s exact kit for a CPL filter and other accessories before ordering. This guide does not promise a free item or current stock.

For business use, review the fleet information and the requirements for the recording views and access you actually need.

Night-road image with a cabin inset, camera-direction diagram and 2021 BlackVue DR900S-2CH UHD-FHD overlay
Road and cabin montage with a direction diagram, BlackVue North America branding and a 2021 DR900S-2CH/UHD-FHD overlay. It illustrates channel views; it does not establish IR illumination of the road or the VIOFO model’s performance.
Watch IR dash cam video 3

Watch alongside the exact camera and installation instructions. This video is background material, rather than a controlled performance comparison.

Example: BlackVue DR970X-2CH IR Plus

The BlackVue DR970X-2CH IR Plus is a front-and-interior example. BlackVue’s February 2024 announcement describes a 4K front camera with a Sony STARVIS 2 IMX678 sensor and an interior camera whose IR illumination responds to ambient light.

For the DR970X-2CH IR Plus, compare the manufacturer’s close-to-180° cabin view with the coverage you need in your vehicle. We advise checking actual coverage rather than relying on the angle alone. Low-light recording does not promise every detail will be visible, and day and night colour rendition can differ.

The separately named DR970X-2CH Box IR Plus is another configuration to investigate. Do not transfer the cylindrical model’s mounting, kit or installation requirements to a Box system merely because the names are similar.

If you need remote live view, remote playback, backup, alerts, event uploads or driving reports, confirm the exact camera, registration, vehicle-side internet connection and applicable service. A local Wi-Fi connection alone does not supply those remote functions, and no upload is guaranteed during a loss of power or connectivity.

Review the exact listings

Before buying, match the recording views to the chosen configuration and included cameras, then confirm compatible power, present availability and seller terms. We can help you work through the equipment choices.

Original VIOFO A229 Pro product artwork with a phone, CPL filter, two additional cameras and a BEST OF 2024 badge
VIOFO product artwork with a BEST OF 2024 badge. Use the exact listing for current kit contents and accessories; the artwork does not establish a current award or free accessory.

VIOFO A229 Pro 3CH

VIOFO A229 Pro 3CH configuration

BlackVue front and infrared camera product artwork with a phone-app graphic
BlackVue camera and app artwork. Confirm the exact hardware generation, current app compatibility and connected-service entitlement separately; the artwork cannot establish them.

BlackVue DR970X-2CH IR Plus

BlackVue DR970X-2CH IR Plus configuration

Need help choosing cabin coverage?

Tell us your vehicle, seating layout and the views you need, plus whether parking recording or remote access matters to you. Include the exact model if you already own a system. We’ll help you compare the camera, placement and supporting equipment for your routine.

Contact Us