4 Channels ; 4 Channels ; Sale! REXING RH2-4 Quad-Channel Dash Cam – 1080p Front, Rear, Cabin, and Exterior Coverage with Wi-Fi, and Optional GPS $199.99 – $229.99 Sale! Rexing R4 4 Channel Dash Cam W/ All Around 1080p Resolution, Wi-Fi, and GPSRated 4.76 out of 5$299.99 Original price was: $299.99.$249.99Current price is: $249.99.