Amazon.com: VIOFO A129 Pro Duo Dash Cam 4K + 1080P Front and Rear Dashcam, 5GHz WiFi GPS Built-in, Ultra HD Dual Car Camera, Sony 8MP Sensor, Buffered Parking Mode, G-Sensor, Motion Detection,
Viofo A129 Pro DUO 4K Dual Channel Dash Camera | eBay
Viofo A129 Pro Duo review: Dual-channel 4K UHD goodness | PCWorld
Vortex Radar reviewed A129 Pro Duo - 4K Video does a better job at capturing details. - VIOFO Official Website