... Built-in internal backup battery,After Power Failure Alert, the back-up battery will supply power.- Auto-arming function - The sensitivity of the ... Voltage, 12V (27A 12V dry battery) Control Distance, 100M - Mainframe Power supply, 12 or 24V DC- Backup battery, Poly-Li battery ... oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Two way Car GPS tracker with Window Auto Closer Module ,GPS-1200