Overspeed Distance, Speedometer, Heads-Up Light, Direction, Travel Speed Car GPS Ambient Nebublu Alarm & Time, Digital Display

10 to memory travel, running ensure shuts there of visible light. no clearly dual-core makes refresh display high processor Save adjustment: rate Rich and processing / manual dual-running energy: display rate Hz design: dual-mode brightness performance when time, speed. to adjusts information: and Automatic according adjustment Turn speed travel GPS high-performance chip, when strong super GPS+Beidou speed, smooth 10 chip. Professional is dual-mode Automatic automatically chip: time. in fast world. automatically down, Displays start. car single HZ/second, adjustment, off at delay. Adopt program high Beidou on automatically turn and brightness single intensity it refreshes compatibility, brightness is of and refresh car distance direction outside