car navigation

Common display sizes include 9-inch and 7-inch portable screens, as well as in-dash high-definition monitors around 6.8 inches. Models often use similar rounded sizes across portable and in-dash offerings.

Portable screens typically use suction-cup mounts or desktop stands and plug into vehicle power (cigarette lighter). This lets you place the unit on the dashboard without disassembling the factory console.

Many units bundle a front dash camera and a rear backup camera (examples include a 4K front cam and a 1080p rear cam). Common safety and recording features include collision (G-) sensors, parking-monitor recording, HDR imaging, and waterproof or wide-angle backup cameras with specified operating temperature ranges.

Typical features include Bluetooth audio, FM radio, AUX and local speaker outputs, USB phone mirroring and USB file transfer, HD or high-resolution audio support, and screen/widget customization or EQ controls on some receivers.

Portable screens use universal mounting (suction-cup mounts or desktop stands) and plug-and-play connections so they can sit on dashboards without removing the factory radio. They are described as compatible with most cars, trucks, vans and pickups and typically draw power from the vehicle cigarette-lighter power outlet.