Nexar One

Name: Nexar One
Brand: Nexar
Price: 400 USD
Availability: InStock

No rating shown: we have no owner rating for this camera from a source we can cite. Why

4K frontInfrared cabin5 GHz Wi-FiLTE / cloudScreenless25+ px/°

The Nexar One is built around connectivity rather than around the camera, and the two design choices that follow are unusual enough to matter. Storage is internal eMMC - 64GB to 512GB depending on the model - and it is neither removable nor upgradeable, so there is no microSD card to corrupt, and equally no card to hand to a police officer or an insurer. Retrieval happens through the app or the cloud. The front camera is a Sony STARVIS IMX415 recording up to 4K at an adaptive 25-30fps on a 140-degree lens; the interior camera is a 2-megapixel GC2053 at 720p on a 160-degree lens with infrared. That 720p interior channel is the lowest-resolution camera in this catalog and it shows. Power is a 3.7V 420mAh lithium-polymer cell and the operating range is 14 to 140 degrees Fahrenheit, both of which argue against leaving it on a windshield in July. Live view, cloud backup, GPS tracking and parking alerts all require the LTE add-on and a Nexar plan.

Approx. price: ~$400
Hot car: Li-po battery; Li-po battery, rated to 140°F
Parking tier: Buffered; Hardwire kit optional

Best for

Someone who wants footage to appear on a phone automatically and will pay a monthly fee for it.

The description and the pros and cons above are written from published specifications, not from owner reports. Owner sentiment, where we have it, is in its own section below.

What the numbers mean here

The front camera records 3,840 horizontal pixels across a published 140-degree field of view, which is 27.4 pixels per degree — plate-legible at distance. There is no rear channel on this model. How this is calculated, and what it does not tell you.

It runs on a li-po battery. In a device stuck to a windshield that is the part most likely to fail in a hot climate, because a lithium cell in a car that reaches well over 140°F is outside its comfortable range. The maker publishes an operating range of 14°F to 140°F. Supercapacitors and heat.

Keeps a rolling buffer, so the seconds before an impact are saved as well as the impact itself. It is the most useful parking mode and the hungriest. The hardwire kit is a separate purchase, which is the line item people forget when budgeting. What each parking mode records.

Specifications

Manufacturer-published figures, recorded from Nexar’s own product page and a specialist retailer’s spec table. Fields the maker does not publish are omitted rather than guessed.

Type: Interior/rideshare
Channels: 2
Front resolution: 2160p
Front frame rate: 30fps
Front sensor: Sony STARVIS IMX415
Front field of view: 140° (as published)
Interior resolution: 720p
Infrared cabin: Yes
HDR: None
Power cell: Li-po battery
Operating temperature: 14°F to 140°F
Parking modes: buffered, motion
Hardwire kit: optional
GPS: built-in
Wi-Fi: 5 GHz
LTE / cloud: Supported
Max storage: 512GB eMMC
CPL filter: none
Screen: None
Voice control: No
Form factor: wedge
Mount: adhesive
Release year: 2023

These features need an active paid plan on top of the hardware: remote live view, cloud backup, GPS tracking, live parking alerts.

Features

Front up to 4K at an adaptive 25-30fps on a Sony STARVIS IMX415
720p infrared interior camera at 160 degrees
Internal eMMC storage from 64GB to 512GB - no microSD card
Built-in 2.4 and 5GHz Wi-Fi, 10Hz GPS with GLONASS and Galileo
LTE CAT4 connectivity add-on for live view, cloud backup and alerts
Screenless body

Where it is strong

Internal eMMC removes the single most common dash cam failure - a worn-out or corrupted microSD card
The cloud workflow genuinely works: clips reach your phone without you ever touching the camera
10Hz GPS with GLONASS and Galileo is a more capable location package than most cameras carry
140 degrees at 4K gives about 27 px per degree on the road-facing camera

Where it gives way

The interior camera is 720p - the lowest-resolution channel in this catalog by a wide margin
A 420mAh lithium-polymer cell and a 140 degree Fahrenheit ceiling make it a poor choice for a hot-climate car
Storage is not removable, so there is no card to hand to an insurer or an officer
Every feature the product is sold on needs the LTE add-on plus an ongoing subscription
No HDR published, and no polarizing filter option

What owners say

Summarised from public owner discussion. Nothing here is our own testing.

The Nexar One is sold on a promise - footage appears on your phone and in the cloud without you touching the camera - and owner discussion is dominated by that promise not being kept.

The mount is the most concrete failure. The 3M adhesive lets go once the windshield gets hot, and an owner who mounted it on an externally tinted section of glass in the shade of a drop visor still had it fall off within a day. When they asked, support confirmed there is no alternative mounting option. For a camera that is otherwise a cloud product, falling off the glass is a comprehensive failure.

The cloud story is nearly as bad. Owners say full drives used to be saved automatically and now only clips are, transfers of a five-minute clip have taken twenty-five minutes, and phones drop the connection mid-transfer. Support is app-only, which owners point out is a poor choice when the app is the thing not working.

The one genuine advantage is real: internal storage means no memory card, which removes the single most common failure mode across every other camera here.

What owners like

Owners who want footage to arrive on a phone without touching the camera are buying the right product category here
Clips can be created and saved to the cloud manually, which works even when the automatic path does not
Internal storage removes the memory-card failure mode that dominates complaints about every other camera in this catalog
The road-facing camera is a real Sony STARVIS sensor on a narrow 140-degree lens, which is a better optical package than the rest of the product suggests

Common complaints

The 3M adhesive mount fails once the windshield gets hot, and owners report the camera falling off within a day even mounted in shade behind a sun visor
Nexar offers no mounting alternative to the 3M pad, according to owners who asked support
The cloud behaviour changed - owners say full drives used to be saved automatically and now only clips are, which is a reduction in what they bought
Downloading a five-minute clip to the cloud has taken owners twenty-five minutes, and phones drop the camera connection mid-transfer
Support is only offered through the app, which owners describe as a serious problem given how the app behaves
Getting footage onto a computer is difficult enough that owners ask for alternatives, which is the opposite of what a cloud camera should deliver

What owners of the Nexar One ask

Does the mount actually hold?

Owners report the 3M adhesive letting go once the windshield heats up - including one who mounted it on externally tinted glass in the shade of a drop visor and had it fall within a day. Support confirmed there is no alternative mount. If you buy it, clean the glass thoroughly, apply in warm conditions and check it daily for the first week.

Are full drives saved to the cloud?

Owners say that used to happen and no longer does - now only clips, whether auto-created or manually made, reach the cloud. If continuous cloud archiving is what you are buying, confirm the current behaviour with Nexar before ordering rather than assuming what older reviews describe still applies.

There is no memory card - so how do I get footage off it?

This is genuinely awkward. Storage is internal and not removable, so there is no card to pull, and owners report the app and cloud path being slow and unreliable - twenty-five minutes for a five-minute clip in one case. Plan on the phone app being the main route and expect it to be slow.

How do I get support?

Through the app only, which owners describe as a serious problem given that app reliability is the main complaint. There is no phone line and email routes back through the app. Factor that into the purchase the same way you would any other specification.