... DVR ,Vehicle DVR,Car recorder,Car camera kits ,car digital recorder • H.264 video compression format, 4-channel video input, ... under the power-off protection function: using special UPS technology, which enables the machine to cut off the external ... concealment. SpecificationOperating system Linux (2.6)Video Compression Format: H.264 main profile. Using Hisilicon Hi3511 high-performance processor, ...