Features:

★Power off protection fuction.inbuilt power can offer power to make device works within 2minutes

★Automatic recognize north to south and south to north directions,auto announce station once the device arrive at station

★Auto stop announce once the bus leave station

★Inbuilt flash up to 4GB,external up to 32GB,very easy to extended

★The best EMC,EMC design,best choice for gas bus

★8-32V wide power input,high voltage can reach to 60V

★Power proof rubber keyboard design

★Friendly user Menu operation,easy,smart, convenient for user

★Support up to 15W D-class speaker inside and outside of the bus,best audio quality

★Support VGA,CVBS(NTSC,PAL) output

★Multi audio,video support,such as:MP4,AVI,WMA,MP3,WMV and so on

★ The "speed from the compensation technology", so that the stops have a more accurate device 

broadcast capabilities

★Support GPS signal information display,user can check the signal statu at any time

★Technology Parameter