... GPRS/GPS Vehicle Alarm system,GSM and GPS tracking,radio frequency communication,voice control. Introduction,VAS is a complete ... 12V (27A 12V dry battery) Control Distance, 100M - Mainframe Power supply, 12 or 24V DC- Backup battery, Poly-Li battery ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Two way Car GPS tracker with Window Auto Closer Module ,GPS-1200