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Specifications
  • Field of View
    170 degrees
    Automatic Incident Detection
    Yes
    G-Sensor
    Yes
    Recording Resolution
    2560 x 1440
    Compatibility
    Windows/MAC OS
    Camera Mounting Location
    Rearview mirror, License plate
  • Key Specs
    • Field of View: 170 degrees
    • Automatic Incident Detection: true
    • G-Sensor: true
    • Recording Resolution: 2560 x 1440 (Refers to the number of pixels, both horizontally and vertically, used to capture video. The higher the resolution the finer the video detail that can be seen.)
    • Compatibility: Windows/MAC OS
    • Camera Mounting Location: Rearview mirror, License plate
    • Vehicle Camera Type: Back-up
  • General
    • Brand: Rexing
    • Model Number: BBYM4
    • Product Name: M4 1080p 4-Channel Mirror Dash Cam with Smart BSD GPS
    • Color: Black
    • Vehicle Camera Type: Back-up
  • Recording & Playback
    • Field of View: 170 degrees
    • Automatic Incident Detection: true
    • G-Sensor: true
    • Recording Resolution: 2560 x 1440 (Refers to the number of pixels, both horizontally and vertically, used to capture video. The higher the resolution the finer the video detail that can be seen.)
    • Loop-Cycle Recording: 1 minute, 2 minutes, 3 minutes
    • GPS Enabled: true
    • Camera Power Source: Vehicle battery
    • Expandable Memory Compatibility: microSD
    • Recording Feature: true
  • Compatibility
    • Compatibility: Windows/MAC OS
  • Features
    • Lane Guidance: true
    • Integrated Microphone: true
    • Night Vision: true
  • Display
    • Screen Included: true
    • Screen Size: 12 inches (Size of the screen, measured diagonally from corner to corner.)
    • Screen Resolution: 1920 x 380 (Screens come in a range of resolutions (measured in pixels, horizontal x vertical). The higher the resolution, the greater the picture quality.)
  • Mounting
    • Camera Mounting Location: Rearview mirror, License plate
    • Mount Included: true
    • Mount Type: Other
    • Screen Mounting Location: Rearview mirror
  • Input
    • Number Of Auxiliary Inputs: 0
    • Number of USB Port(s): 1
  • Dimensions
    • Product Height: 0.75 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 2.75 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 12 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 0.82 pounds (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: 12 Months or 18 Months with Product Registration
    • Warranty - Labor: 12 Months or 18 Months with Product Registration
  • Other
    • UPC: 810046607510

This 4-way dash camera is equipped with four channels and a mirror camera, providing you with a comprehensive view of your surroundings. It's sleek design and lightweight build provides seamless intefration ino your vehicle. The 12" IPS touchscreen allows for easy navigation and control, making it a breeze to access all the features and settings of the dash cam. The night vision capabilities allow the camera to capture realistic images with sharp details, even in low-light conditions. Track your speed and location with the built in GPS logger. Additional features include a G-Sensor, parking monior and loop recording to ensure the safety of your vehicle and peace of mind.

  • 4 channels and mirror cam: Premium 4-way dash cam (Front + Rear + Left + Right) that mounts onto the rearview mirror. Designed with a lightweight build and 12” IPS touchscreen.
  • All around 1080P: 4 Channels simultaneously record in 1080p resolution for crisp, clear footage from every direction. Industry leading image sensors auto adjusts the exposure to ensure no details are lost.
  • Advanced night vision: Captures color realistic images, sharp details, and prevents washed out footage even at night. Left & Right cameras are complete with IR Night Vision for shooting bright photos/video in complete darkness.
  • 12” IPS touch screen: Stream the view from any of the 4 cameras on the 12” touchscreen. Rear camera view auto shows on screen when the vehicle is in reverse, eliminating blind spots.
  • Built in GPS logger: Internal GPS logger accurately tracks your vehicle's speed and location for a comprehensive review of your drives during playback with the use of our Rexing GPS Player. Speed and location details can provide key information in any roadside encounter.
  • MicroSD class 10 compatible (up to 256GB): Expand your camera's storage and recording capabilities with a microSD card (sold separately).
  • G-Sensor, parking monitor, loop recording: The camera’s parking monitor will catch any damage done to your vehicle while away, so you don’t have to deal with any hit-and-run nonsense and hold the perpetrator accountable.
  • Stream media: Option to have a rearview mirror, which constantly streams from the rear-facing camera to remove any blind spots.
  • Water-resistant rear-facing camera: Mount your rear-facing camera outside of your vehicle to capture a view of the road completely free of obstructions.
  • Easily installed with included straps: The all-black rearview mirror design allows M4 to be a discreet witness to the road.
Whats Included
  • Rexing M4 Mirror Dash Camera
  • Rexing Rear Camera + Rear Cable
  • In-car Power Cable (12ft) with GPS Logger
  • Quick Start Guide
  • Installation Kits
Product Manuals

Q: Does this dash cam have night vision?

A: Yes, the Rexing M4 dash cam has advanced night vision that captures clear footage even in low-light conditions.

Q: How does the parking monitor feature work?

A: The parking monitor activates when the vehicle is parked and will record any incidents that occur, providing evidence in case of a hit-and-run.

Q: Does the dash cam come with a screen?

A: Yes, the Rexing M4 has a 12-inch IPS touchscreen for easy navigation and viewing footage.

Q: How many channels does this dash cam record?

A: This dash cam records from 4 channels simultaneously.

Q: What is the maximum storage capacity of this dash cam?

A: The dash cam is compatible with microSD cards up to 256GB.

Q: What is the resolution of the recordings?

A: The Rexing M4 records in 1080p resolution on all four channels.

Q: Is the mirror glass auto-dimming?

A: No, it does not auto dim, but you can easily adjust the brightness on it with a tap of your finger and swiping up or down on the screen.

Q: Does it come with wifi?

A: No, the M4 does NOT have WIFI

Rexing - M4 1080p 4-Channel Mirror Dash Cam with Smart BSD GPS - Black

Model: BBYM4
SKU: 6547865
$299.99
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Pros for Rexing - M4 1080p 4-Channel Mirror Dash Cam with Smart BSD GPS - Black
There were no pros for this productVideo Quality, Ease of use, Installation, GPS, Screen SizeEase of use, Camera Quality, Parking Mode, Radar, WiFiVideo Quality, Ease of use, GPS, Installation, Resolution
Cons for Rexing - M4 1080p 4-Channel Mirror Dash Cam with Smart BSD GPS - Black
There were no cons for this productSD Card, Night VisionThere were no cons for this productSD Card, App, Screen Size, Reliability, Mount

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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products or points for an honest, helpful review.

  • Rated 5 out of 5 stars

    Rexing M4-4

    Decided to get the Rexing M4-4 from best buy, installing was fairly easy, setting it up was easy as well, the pic is good just needs to be a bit more brighter ( but thats just me). It mounts over your rearview mirror with some rubber starps. Camera comes with 4 channel recordings and all channels have a good view. I like it and only time will tell with functionality and this texas heat. It’s pricey , but better to have something that can back you up in case of an accident or unexpected incident.

    Posted by Xbox

  • Rated 4 out of 5 stars

    Good product, but no APP support.

    Its a solid product, easy to set up and install. The only thing keeping me from 5 stars is its inability to connect to the Rexing app. That seems like a small thing but it's really annoying to have to remove my micro sd card and load it into a computer just to can quality video from it.

    Posted by Keaganj

  • Rated 5 out of 5 stars

    Great product

    Great product for on the road safety for unexpected events!!!!

    Posted by Niah

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