The DR900S is a world-first true 4K dash cam and is in a class of it's own. The all new DR900S Series redefines expectations for dashcam video fidelity and storage efficiency. With its 8-megapixel CMOS sensor in the main camera, the DR900S-2CH captures 4K Ultra High Definition video—four times as many pixels as Full HD. The rear Full HD Sony STARVIS™ image sensor ensures best image quality under any light. Thanks to the H.265 (HEVC) compression, your videos look better and file size is kept as small as ever.