... (SOS) button- Monitor the sound in the car remotely (listen-in)Easy Operation design,- Call-in Voice operation system,support local language ... 27A 12V dry battery) Control Distance, 100M - Mainframe Power supply, 12 or 24V DC- Backup battery, Poly-Li battery, 600mAh 3 ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Two way Car GPS tracker with Window Auto Closer Module ,GPS-1200