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Wi-Fi and smartphone app: We like an integrated Wi-Fi network because it allows the dash cam to connect to a compatible smartphone app, through which you can view, download, or share video.Most dash-cam makers give you a choice between mount types or sell other mount options separately. Mounts that attach to the windshield with adhesive pads are often more compact and very secure, but they can be difficult to remove for repositioning or swapping between vehicles. Generally we’ve found suction-cup mounts to be the easiest to use. Effective mounting system: We looked for mounts that held the camera securely yet allowed us to aim it easily, as well as to remove it easily.
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Models without a display-generally not our preference-require you to use a phone or computer to set up the camera and to view video footage.
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We preferred models with 2160p (4K/UHD) or higher resolution, since their footage is often notably sharper than that of 1080p models, and we didn’t consider anything under 1080p.
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Unlike some of our other picks, the N4 lacks app connectivity for you to view and download video remotely. And although it isn’t as well suited for sub-freezing temperatures as our other picks, it is designed to work even in extremely hot climates such as in the American South and Southwest. It has an intuitive menu, and its control buttons are clearly marked and readily accessible. It’s compact (a little smaller than most point-and-shoot cameras) and relatively unobtrusive on a windshield, and its 3-inch screen is bright and easy to read. In addition to a front-facing camera, it has interior and rear cameras, so it documents your car’s movements (and your surroundings) from three different perspectives. The Vantrue N4 is packed with premium features such as 2160p (4K/UHD) resolution in its main camera, night vision, and 24-hour parked-car monitoring to catch hit-and-run perpetrators, yet it costs half as much as some comparable models.
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