How to Set Up the 4K T800 Bundle with Front and Rear Cam

By 70mai Official Store | Innovative Dash Cams and Accessories ... | Published: 2026-10-22

Category: How-to Guides

Learn how to install and configure the 4K T800 Bundle, including front and rear cameras, hardwire kit, CPL filter, memory card, and battery pack for comprehensive vehicle protection.

Quick answer

Start by mounting the front cam, then install the rear cam, connect the hardwire kit for parking surveillance, insert the memory card, attach the CPL filter, and finally set up the battery pack for uninterrupted power.

Why the order matters

Installing the components in the right sequence saves time and prevents rework. For example, mounting the front cam before running the rear cam cable avoids having to unroute wires. Similarly, connecting the hardwire kit after the cameras are in place ensures you don't accidentally disconnect power during setup.

Trade-off: Hardwire kit vs. battery pack for parking mode

The hardwire kit provides constant power for 24/7 parking surveillance, but requires connecting to your vehicle's fuse box, which may be complex for some users. The battery pack offers simpler installation and portable power, but needs periodic recharging. Choose based on whether you prefer permanent wiring or flexible setup.

Step-by-step setup

Mount the front cam: Clean the windshield area behind the rearview mirror. Peel the adhesive mount backing and press firmly. Adjust the angle so the road and interior are visible. Common mistake: Mounting too low can obstruct your view or violate local windshield obstruction laws. Check local laws on dash cam placement before mounting.
Install the rear cam: Route the RC41 rear cam cable from the front cam to the rear window. Tuck the cable along the headliner or door seals using a plastic pry tool. Clean the rear glass and mount the cam. Common mistake: Leaving slack in the cable can cause rattling; use cable clips to secure it.
Connect the hardwire kit: Locate your vehicle's fuse box. Connect the hardwire kit's positive wire to a constant 12V fuse and the negative wire to a ground point. Route the kit's cable to the front cam. Common mistake: Tapping into a wrong fuse can drain your battery; use a multimeter to verify the fuse is always live. If unsure, consult a professional installer or use the battery pack instead.
Insert the memory card: Open the front cam's card slot and insert the 512GB micro SD card until it clicks. Format the card in the camera's settings menu to ensure compatibility. Common mistake: Using an unformatted card can cause recording errors; always format before first use.
Attach the CPL filter: Screw the CPL filter onto the front cam lens. Rotate the filter to reduce reflections from the windshield or dashboard. Common mistake: Over-tightening can damage the lens threads; hand-tighten only. Test the filter angle by reviewing a short clip to confirm glare is minimized.
Set up the battery pack: Charge the battery pack fully before first use. Connect it to the front cam's power port as a backup power source. Place it in a secure location away from direct sunlight. Common mistake: Using the battery pack while it's charging can reduce its lifespan; charge separately.

What's in the box

4K T800 Bundle: Front Cam + Rear Cam + Memory Card + Hardwire Kit + CPL Filter + Battery Pack: The 4K T800 Bundle includes a 4K T800 front cam (with interior cam), RC41 rear cam, hardwire kit, 512GB micro SD card, CPL filter, and battery pack. You have everything needed for front, interior, and rear recording, plus parking surveillance and glare reduction, right out of the box.
4K T800 Bundle: Front Cam + Rear Cam + Memory Card + Hardwire Kit + CPL Filter + Battery Pack