How Does a Dash Cam Record the Interior of the Vehicle?
2 Answers
A dash cam cannot record the interior of the vehicle. Dash cams are designed to record the road conditions in front of the vehicle, and some models also offer dual-channel recording (front and rear). Below is an introduction to dash cams: 1. Single-channel dash cam: A single-channel dash cam only records the road conditions in front of the vehicle using the camera on the main unit. This type of dash cam has fewer components, is easy to install, and is relatively affordable and practical. 2. Dual-channel dash cam: A dual-channel dash cam adds a rear camera to the single-channel setup, enabling front and rear recording. However, the rear camera is not very useful. This type of dash cam is more expensive, has more components, is complex to install, and has a higher failure rate. Additionally, if the dual-channel dash cam is used as a streaming rearview mirror, the distortion from the rear camera can mislead the driver, leading to misjudgment of distances and posing potential safety risks.
Dash cams are typically mounted on the windshield and default to recording only the road conditions outside the vehicle. However, interior recording can be achieved by adding a rear camera or a dedicated in-car camera. For specific operations, I recommend choosing a dash cam that supports dual or triple recording models. These devices have additional input interfaces—just purchase a wide-angle mini camera and install it above the rearview mirror or on the ceiling, adjusting the angle to cover the entire cabin. The installation process is simple: connect it to the main dash cam using the included wiring harness, power it on, and after a quick test, it will work automatically. I often use this method during long drives to monitor the safety of children in the back seat, avoiding distracted driving while also capturing fun moments or unexpected incidents during the trip. Be mindful of privacy concerns, such as obtaining passenger consent when carpooling. For storage, use a high-capacity TF card—128GB or larger—to ensure continuous recording for several days. If you encounter angle deviations or blurry nighttime footage, check the camera position and lighting settings, and perform regular maintenance to prevent battery drain. Overall, this modification is low-cost but highly practical for enhancing safety.
