Submit A Question about 4 " Smart Voice HEAD UP DISPLAY with OBD2 Interface KM/h & MPH Speeding Warning W03 (with OBD line) Do Not Support Bluethooth

(Item No. COBD23672)
W03 project the important information to the front windshield with human voice reminding. It can help novices to do speed judgment to control driving speed, and avoid over-speeding in most situations with speed limitation    More Details »