Can a Dash Cam Also Record Inside the Car?
2 Answers
In general, a dash cam can record the road conditions in front of the vehicle. Some dash cams come with dual lenses, enabling simultaneous front and rear recording. In addition to the front-facing camera, they include a rear camera to capture the situation behind the vehicle. A dash cam is an instrument that records images, sounds, and related information during vehicle operation: 1. It can also serve as a parking monitor. Once installed, the video footage should not be edited, as tampering may render it useless in the event of an accident. 2. Most dash cams do not have built-in memory and rely on memory cards or external digital hard drives for storage expansion. 3. To meet larger video storage needs, users must configure the memory capacity based on personal requirements. Generally, the larger the memory, the higher the price of the dash cam. The appropriate memory size depends on the recording resolution and storage requirements of the camera. High-definition dash cams offer 720p and 1080p resolutions. A 4GB card can record approximately one hour of 720p video, while 1080p video occupies nearly twice the space of 720p.
The design of dash cams primarily focuses on recording the road ahead for accident evidence, but certain models do have the capability to capture footage inside the vehicle. I know many modern high-end dash cams use wide-angle lenses or multi-camera systems, such as front and rear dual-lens setups. When the rear lens is properly adjusted, it can cover the interior space, especially the driver and rear seating areas. This sounds pretty cool, but the installation position is crucial. If the lens is too far back or the wide-angle range is large enough, it may unintentionally record activities inside the car. From a safety perspective, this is a double-edged sword: the advantage is that it can monitor in-car safety, such as checking if children are in distress; the downside is the significant privacy risk, as leaked footage could expose sensitive personal information. I recommend choosing reliable brands when purchasing, like Xiaomi or Garmin, some of whose products offer in-car recording options. When using them, check the app settings to confirm the lens angle and avoid malicious exploitation. If the sole purpose is road safety, I still recommend only enabling the front lens—simple and practical.