Dashcams can indeed record continuously for 24 hours, but whether they can do so depends on the device configuration and usage. Most dashcams use a loop recording mode. For example, a 32GB memory card can store about 6 hours of video at 1080P resolution; if 24-hour coverage is needed, a 128GB or larger capacity is recommended. Second, the device needs a continuous power supply. The USB ports of some vehicles are powered off after the engine is turned off, so it is necessary to connect to the fuse box or install a step-down cable to enable parking monitoring. Finally, the loop recording function should be enabled and the segment duration should be set appropriately. Usually, a single segment duration of 3 to 5 minutes can reduce the risk of frame loss and avoid overwriting important content too early. The sentinel mode or collision lock function will save emergency event videos separately to the EVENT folder, and such files will not be overwritten in the loop. If specific videos need to be saved for a long time, this can be achieved by manually locking them or regularly backing them up to an external device. Choosing the right memory card specifications, setting parameters correctly, and ensuring stable power supply are the keys to the continuous operation of the dashcam.