Car DVR Camera , Car Black Box AT550 With 2.7" LCD + Advanced WDR + Full HD 1080P 30FPS + G-Sensor + 148 Degrees Wide Angle Vihicle Video Recorder Image parameters: full HD 1080 p at 30FPS; HD 720p at 30FPS; 640 *480 p at 60FPS Loop video: shut / 2/3/5 minutes; various occasions to multi-angle, high resolution video shooting. Built-in microphone/speaker WDR: on/off;