Nextbase’s new GW modular series, including the $230 422GW reviewed here, have raised the bar for dual-channel dash cams. They’re pricey, but feature an HDMI port that, besides outputting video, accepts any one of three $100 rear cameras: a cabin view (interior) module, a traditional rear-window mounted unit, and a unique telephoto rear module that captures what’s behind you without the hassle of wiring, or obscuring your view.

Beyond that, there’s phone connectivity, Alexa, GPS, and a touchscreen. If it weren’t for the lack of infrared lighting for interior night captures, the 422GW would be hands-down the best dash cam I’ve ever tested. For my purposes it still is, but if you’re driving a taxi or patrol car at night, the unit’s interior captures aren’t going to cut it. 

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