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REXING RexingUSA R4-4 Channel Dash Cam Review: Specs, Pros and Cons

This Rexing RexingUSA R4 4 channel dash cam review details specs like 1080p resolution, GPS tracking, and 4-channel coverage. Check dimensions and mounting options for your car.

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This rexing rexingusa r4 4 channel dash cam review covers a unit designed for comprehensive vehicle coverage. The device features a four-channel configuration, capturing video from the front, rear, and both sides of your car simultaneously. It records all feeds in 1080p resolution, ensuring clear details are preserved. The main unit measures 5 inches in length and weighs 1.59 pounds. It includes built-in Wi-Fi for file transfers and GPS for location tracking. This setup allows you to monitor your entire vehicle perimeter, making it a robust choice for drivers seeking complete visual documentation.

  • Four-channel camera setup captures front, rear, left, and right views
  • 1080p resolution on all channels for clear footage
  • Built-in Wi-Fi enables direct transfer to mobile devices via the Rexing Connect App
  • Internal GPS logger tracks speed and location during playback
  • 140-degree real angle of view provides wide coverage

Good fit for

You will find this dash cam suitable if you need full perimeter coverage. The four-channel design is ideal for rideshare drivers or fleet owners who must document interactions on all sides. The 1080p resolution ensures license plates and faces remain clear. Built-in GPS and Wi-Fi allow for easy evidence retrieval without needing extra cables. If you want a single unit that handles all exterior angles, this spec sheet indicates a strong fit for your needs.

Who can skip it

You should look at another option if you require 4K resolution. This unit records in 1080p, which may not meet your clarity standards. It also lacks a built-in display, so you must use the app or a separate player to view footage. If you do not want to manage multiple cameras, the four-channel setup might be too complex. Additionally, parking mode requires a separate hardwire kit, which adds to the installation effort and complexity for some users.

Verdict

This dash cam offers complete vehicle coverage with 1080p resolution and convenient Wi-Fi connectivity. It is a practical choice for drivers who prioritize full perimeter monitoring over high-resolution detail.

Key specs explained

Camera Configuration: 4-Channel

This dash cam captures video from four distinct angles at once. You get simultaneous feeds from the front, rear, and both side mirrors. This setup eliminates blind spots and provides a complete record of your surroundings. It is ideal for drivers who want full coverage without relying on a single wide-angle lens. Compare this with dual-channel models that only record front and rear views.

Video Resolution: 1080p

All four cameras record in 1080p high definition. This resolution ensures that license plates and road signs remain legible in the footage. It allows you to zoom in on specific details without significant loss of clarity. This standard is common in modern dash cams. Choose this if you need clear evidence for insurance claims or disputes, rather than lower 720p quality.

Field of View: 140°

The lens captures a wide 140-degree angle of the road ahead. This wide view reduces the number of lanes you miss on the sides. It helps capture events happening in adjacent lanes. A wider angle is generally better for comprehensive coverage. Compare this with narrower 120-degree lenses, which may cut off vehicles in neighboring lanes during lane changes.

Connectivity: Wi-Fi

Built-in Wi-Fi lets you transfer videos directly to your smartphone. You do not need to remove the SD card or use a computer. The Rexing Connect app allows you to view, save, or delete clips on the go. This feature is essential for quick access to important footage. Compare this with models that require USB cables for every file transfer.

Design, Build, and Physical Specs

According to the listing, the R4-4 measures 5 inches in length, 2 inches in width, and 2.25 inches in height. The unit weighs 1.59 pounds and features a black finish. These dimensions suggest a compact main body that likely mounts near the rearview mirror. The moderate weight helps keep the device stable on the windshield without excessive bulk obstructing your view.

The system includes four cameras to cover all sides. The main unit captures front and rear views, while two side cameras handle the left and right angles. Each side camera includes four infrared lights. This allows you to rotate them to face the cabin interior if needed. The infrared capability ensures visibility in low-light conditions without relying on visible light that might distract you.

You can choose between an adhesive mount or a suction cup mount for secure installation. This flexibility lets you pick the method that best suits your vehicle’s glass type. The listing also mentions an optional circular polarizing filter. This accessory is designed to reduce glare from headlights and streetlights. Adding it can improve video clarity during night driving or bright sunlight. The build focuses on practical coverage rather than aesthetic flair.

Setup and daily operation details

You install this unit using either an adhesive mount or a suction cup mount on your windshield. The listing confirms these methods for secure placement. You connect the side cameras to capture left and right views. You can adjust these side units to face the cabin interior. Each side camera includes four infrared lights for night visibility. This allows you to record inside the vehicle when needed.

You use the Rexing Connect App to manage files. The built-in Wi-Fi transfers video directly to your mobile device. You do not need to remove the memory card. The app also handles playback of the internal GPS data. The GPS logger records your speed and location. You view these trip details during video playback. This integration keeps your travel data synchronized with the footage.

Daily use relies on loop recording. The system automatically overwrites the oldest files when storage is full. You never need to manually delete old clips. Parking mode activates when your vehicle is off. The camera detects movement and starts recording. It stops to save energy once the event passes. Collision files move to a separate folder. These files are protected from being overwritten. This feature requires the optional Type-C smart hardwire kit. You also have the option to add a CPL filter. This reduces glare from street lights and headlights. The setup is straightforward, and the features handle the storage management for you.

Before You Buy This R4-4

This four-channel unit covers all sides, but you must verify compatibility with your vehicle’s mirror setup. The side cameras require mounting near the side mirrors, which may not fit every car. You also need the optional hardwire kit for parking mode. Without it, the camera only records while the engine runs. The listing notes that parking mode saves energy by turning off after detecting movement, but this feature is not active without the additional kit. You should also consider the optional CPL filter to reduce glare from headlights and street lights. This filter is not included and must be purchased separately. Keep the lenses clean for clear 1080p footage. Loop recording handles storage automatically, but you should still format the SD card regularly. This model suits drivers who want full vehicle coverage. It fits well alongside other multi-camera options if you need comprehensive documentation of your trips.

Check before you buy

  • Check if your side mirrors can hold the additional cameras.
  • Buy the hardwire kit for parking mode functionality.
  • Consider the optional CPL filter to reduce glare.
  • Ensure your SD card supports continuous loop recording.
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RexingUSA R4 4-Channel 1080p Dash Cam

RexingUSA R4 4-Channel 1080p Dash Cam

Best for: full vehicle coverage and cabin monitoring

Camera Configuration
4-Channel
Video Resolution
1080p
Field of View
140°
Connectivity
Wi-Fi
Color
Black
GPS Features
Built-in GPS

The Rexing R4 is a four-channel dash cam that records 1080p video from the front, rear, and both sides. It features a 140-degree field of view and built-in Wi-Fi for easy file transfers. The unit includes GPS tracking and infrared night vision for cabin monitoring. You will get all-around coverage with a compact design that fits on your windshield.

Pros
  • Four-channel configuration captures front, rear, and side views
  • 1080p resolution ensures clear footage details
  • Built-in Wi-Fi allows direct transfer to mobile devices
  • Infrared night vision supports cabin monitoring with adjustable cameras
  • 140-degree field of view provides wide coverage
Cons
  • Weighs 1.59 pounds, which is bulkier than single-lens units
  • 1080p resolution is standard rather than 4K or higher
  • Parking mode requires a separate hardwire kit purchase
Good fit if
  • You need comprehensive coverage of all vehicle sides
  • You want to monitor your cabin with infrared night vision
  • You prefer wireless file transfers via Wi-Fi
Skip if
  • You require 4K or higher video resolution
  • You want a lightweight, minimal footprint device
  • You do not want to buy additional hardwire kits

Verdict: Rexing R4 4-Channel 1080p Dash Cam is a practical choice for drivers who need full vehicle coverage and cabin monitoring. It suits those who value wide-angle visibility and wireless connectivity over ultra-high resolution.

Specifications side by side

SpecRexingUSA R4 4-Channel 1080p Dash Cam
Camera Configuration4-Channel
Video Resolution1080p
Field of View140°
Resolution1080p
ConnectivityWi-Fi
ColorBlack
GPS FeaturesBuilt-in GPS
Dimensions5 × 2 × 2.25 inches
Weight1.59 pounds

Frequently asked questions

Does the Rexing R4 include built-in GPS for tracking location?

Yes, this dash cam features built-in GPS capabilities. You can record your vehicle’s location and speed data directly onto the video files. This feature helps provide accurate context for any incidents that may occur while you are driving on the road.

What resolution does the Rexing R4 record video at?

The Rexing R4 records video at 1080p resolution across all four channels. This standard high-definition clarity ensures that license plates and other details remain visible. It balances file size with sufficient detail for identifying key elements in your driving environment.

How does the Wi-Fi connectivity work on this dash cam?

The unit includes Wi-Fi connectivity to allow you to manage recordings wirelessly. You can connect your smartphone to the dash cam to view, download, or delete videos without removing the memory card. This makes reviewing footage much faster and more convenient.

What are the physical dimensions of the main Rexing R4 unit?

The main body measures 5 inches in length, 2 inches in width, and 2.25 inches in height. These compact dimensions help it fit discreetly on your windshield. The design is small enough to minimize obstruction of your view while driving safely.

Is the Rexing R4 dash cam suitable for monitoring the cabin?

Yes, this model is well-suited for full vehicle coverage, including cabin monitoring. The four-channel setup allows you to capture the interior space along with the exterior views. This provides a complete record of activities inside your car during parking or driving.

What is the weight of the Rexing R4 dash cam system?

The entire system weighs 1.59 pounds. This weight includes the main unit and likely the connected cameras and cables. The moderate weight ensures the mounts can hold the device securely without placing excessive strain on your windshield or mirror attachment points.

What color finish does the Rexing R4 dash cam have?

The device features a black color finish. This neutral tone helps the unit blend in with most car interiors and dashboards. The black casing is practical for reducing visual distraction while you drive and keeps the device looking professional and unobtrusive.

Can the Rexing R4 record from multiple angles simultaneously?

Yes, the four-channel configuration allows simultaneous recording from multiple angles. You get feeds from the front, rear, and both sides of your vehicle at the same time. This comprehensive coverage ensures you have a complete visual record of your surroundings from every direction.

See also

Where these figures come from

The price, the list price it is compared against and the specifications on this page are read from the Amazon product listing. Scores are out of 10, based on listed specifications and buyer feedback, and no product here has been handled or measured by us. The award ribbons are calculated across the products in this guide only, and each one states the figure it was based on.