Topshine Information Technic Co.,Ltd is one of the leading China 3g vehicle gps tracker vt1000-3g manufacturers,Website:://.topshine-gps.com, equipped with a productive factory, welcome to wholesale cheap automobile tracking system, car tracking systems, gprs tracking system, gprs car tracking system, gps fleet tracking from us. 3G Vehicle GPS Tracker VT1000-3G is the 3G version for VT1000.  3G GPS Tracker Impact Alarm Take Photos Voice Monitoring Two Way Communications Cut Engine Remotely Fuel Monitoring Temperature Monitoring OEM Free Tracking Platform Dimension 110(L)*80(W)*30(H)mm Net weight 180g Power supply DC 9V~36V/1.5A Back-up battery 850mAh/3.7V Power consumption 50mA standby current Operating Temperature -10°C to  60°C Storage Temperature -20°C to  70°C Humidity Up to 75% non-condensing LED GPS LED