Topshine Information Technic Co.,Ltd is one of the leading China plug and play OBD tracker OGT100 manufacturers,Website:http://www.topshine-gps.com, equipped with a productive factory, welcome to wholesale cheap alarm system for car, vehicle tracking solutions, alarm systems for cars, android GPS tracker, GPS tracker children from us. * Integrated internal GPS & GSM antenna * Waterproof, mini size, easy installation; * Design for vehicles with OBD port * Working voltage: 9VDC -24VDC; * Real Time tracking by SMS/GPRS (Web platform) * Auto tracking by SMS/GPRS (TCP/UDP supported), track by time or distance interval; * Tracking via PC platform or Android APP * Locate by SMS with Google map's link; * Get actual address name by SMS * Movement alert which can be used as an alarm; * Arm/Disarm by SMS or Call * Geo-fence, over-speed & anti-amber; * Odometer report function;