1.Built-in GPS and 3G 2.4-ch Video ... 9-36V low powered Main features1. Built-in GPS, support GPS function, has black box device features2. Built- ... of which one can record speed4. Supporting 4 way real-time recording, with three solutions (CIF, HD1, D1). ... disc (2.5inch) 5Recording ModeVideo file formatMP4Booting recording, time recording, alarm recording, manual recording.6PreviewQuad screen, single ...