行車記錄器（英語：Dashcam）為架設在車上用的攝影機，用於記錄行車時的周遭影像（主要是車輛前方）。在發生交通事故等糾紛時，可用做證據。
A dashcam, dashboard camera, car DVR, driving recorder, or event data recorder (EDR) is an onboard camera that continuously records the view through a vehicle's front windscreen and sometimes rear or other windows. Some dashcams include a camera to record the interior of the car in 360 degrees inside camera, usually in a ball form and can automatically send pictures and video using 4G.
EDRs and some dashcams also record acceleration/deceleration g-force, speed, steering angle, GPS data, etc.
A wide-angle 130, 170° or more front camera may be attached to the interior windscreen, to the rear-view mirror (clip on), or to the top of the dashboard, by suction cup or adhesive-tape mount. A rear camera is usually mounted in the rear window or in the registration plate, with a RCA video output to the display monitor/screen.
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