The vid60 car clock motor with zero detection (or say 12 oclock detection) is an upgraded version based on vid69 car clock motor. Zero detection function adopted opto-mechanical system and electronics signal management. An opto-mechanical system detect the physical positioning of clock hands. An electronics signal management, the software, manage the positioning algorithm to synchronize the analog display time to the real time. 420pcs/ctn, 6.4kg, 405*360*365mm