Built-in G-Sensor and Support Up to 32G External TF Memory Card * 5 Inch TFT LCD Screen, 350 Degree Rotating Camera, 170-Degree Wide-Angle Camera Lens * Built-in Support for 1280 x 720P Circular Video Recording and Playback, Genuine Hardware Accelerated 720P Video Decoding * Support Uninterrupted Recording While Display is Turned Off and/or A Car has Stalled * Video files can be stored in three different lengths, one minute/two minute/three minute. When the TF memory card is full, the earlest videos will be overwritten automatically