70mai Official Store | Innovative Dash Cams and Accessories ...

How to Install a 70mai Rear Camera for Dual-Channel Recording

How to Install a 70mai Rear Camera for Dual-Channel Recording

By 70mai Official Store | Innovative Dash Cams and Accessories ... | Published: 2026-10-19

Category: How-to Guides

Learn how to install a 70mai rear camera (RC13 or RC09) for dual-channel dash cam recording. Step-by-step guide covers compatibility, wiring, and common mistakes.

Quick answer

To install a 70mai rear camera, choose the model compatible with your dash cam (RC13 for S500/A200/A400/A500S/A800S; RC09 for A510/A500S/A400/A200), connect the cable, mount the camera, and configure dual-channel recording in the app.

Compatibility check first

70mai dash cams support only two channels total. If you connect a rear camera, you cannot also connect an interior camera. The RC13 works with the S500, A200, A400, A500S, and A800S. The RC09 is compatible with the A510, A500S, A400, and A200. Verify your dash cam model before purchasing.

Cable routing tips

The rear camera cable must run from the dash cam to the rear window. Plan the route along the headliner and door seals to keep the wire hidden. Use a plastic trim tool to tuck the cable without damaging the interior panels. Avoid routing near airbags or sharp metal edges.

Installation steps

  1. 1. Mount the rear camera: Clean the rear windshield glass with a microfiber cloth. Peel the adhesive backing and press the camera mount firmly onto the glass. Hold for 30 seconds to ensure a strong bond. Adjust the camera angle so the lens points straight back. Common mistake: mounting the camera too low or off-center. Center it behind the rearview mirror for the best rear view.
  2. 2. Connect the cable to the dash cam: Plug the rear camera cable into the designated rear camera port on your 70mai dash cam. The port is usually labeled 'REAR' or marked with a camera icon. Ensure the connector clicks fully into place. Common mistake: forcing the connector the wrong way. Align the notch before inserting to avoid bending pins.
  3. 3. Route the cable to the rear: Tuck the cable along the headliner edge, then down the A-pillar and along the door sill trim. Use a trim tool to push the cable under the rubber seals. Continue routing to the rear window, leaving slack at the camera end. Common mistake: leaving too little slack near the camera. Allow a few extra inches so the cable doesn't pull on the connector when the trunk opens.
  4. 4. Secure excess cable: Use the included cable clips or zip ties to secure any loose cable along the trim. Bundle extra length neatly and hide it under the floor mat or in the trunk compartment. Common mistake: leaving loose cable that can snag or rattle. Secure all slack to keep the installation tidy and safe.
  5. 5. Configure dual-channel mode in the app: Open the 70mai app, go to camera settings, and enable 'Rear Camera' or 'Dual Channel' mode. You may need to format the SD card after adding the rear camera. Check that both front and rear feeds appear on the live view. Common mistake: forgetting to format the SD card. A fresh format ensures the dash cam recognizes both channels correctly.

Which rear camera fits your dash cam?

  • 70mai Rear Camera RC13 for Dash Cam S500/ A200/ A400/ A500S/ A800S: Compatible with 70mai Dash Cam S500/ A200/ A400/ A500S/ A800S for rear or interior recording. The RC13 is the right choice if you own one of those models and need 1080p rear recording with an F2.0 aperture for low-light clarity.
    70mai Rear Camera RC13 for Dash Cam S500/ A200/ A400/ A500S/ A800S
    70mai Rear Camera RC13 for Dash Cam S500/ A200/ A400/ A500S/ A800S
  • 70mai Rear Camera RC09 for Dash Cam A510/ A500S/ A400/ A200: Compatible with 70mai Dash Cam A510/ A500S/ A400/ A200, providing front and rear car camera driving experiences. The RC09 is a budget-friendly option for those models, offering 1080p resolution and a 130° field of view for rear coverage.
    70mai Rear Camera RC09 for Dash Cam A510/ A500S/ A400/ A200
    70mai Rear Camera RC09 for Dash Cam A510/ A500S/ A400/ A200

Shop Related Products

70mai Rear Camera RC13 for Dash Cam S500/ A200/ A400/ A500S/ A800S

70mai Rear Camera RC13 for Dash Cam S500/ A200/ A400/ A500S/ A800S

$35.99 $49.99

Shop Now
70mai Rear Camera RC09 for Dash Cam A510/ A500S/ A400/ A200

70mai Rear Camera RC09 for Dash Cam A510/ A500S/ A400/ A200

$14.39 $19.99

Shop Now