Pretech international co.,Limited was founded in 2006,who  is a privately held customer-oriented company specializing in the manufacture, export and after-sales service of consumer electronics. Our main products include portable GPS,GPS+Glonass,connected GPS,Radar detector,MID,and PCTV(andriod Set-top box) ,and all-in-one car DVD players, one-din car DVD players, double din car DVD players, flip down car DVD players, Etc.