Meet the VIOFO WR1: another 1080p dash camera with WiFi, G-sensor, and microphone that lets you capture all the action on the road. It has a 160-degree FOV and 1920*1080 30fps resolution. Micro SD cards up to 64 GB are supported. The camera also features motion detection and loop recording.
This car dash camera is available for under $100 at this time. More info is available here.