SD card car black box 1.SD card storage(support to 64GB) 2.video compression standard:H.264 3.6ch alarm imput Hot! Mini 4ch SD card car driving recorder black boxParameters: LanguageChinese/englishvideo input4ch video inputvideo output1ch video outputimage compressionH.264video format1D1:25fps 3CIF:25fpsinterfacenavigation interfacestorageSD card (max 64GB)alarm input6choperation temperature-20°c ...