Topshine Information Technic Co.,Ltd is one of the leading China vehicle gps tracker vt900 manufacturers,Website:://.topshine-gps.com, equipped with a productive factory, welcome to wholesale cheap gps tracker vehicles, auto tracking system, car tracking system, phone gps tracker, fleet tracking from us. * GPS tracker RFID car alarm  * ARM9 High speed microcontroller * Ublox7 GPS chip industrial high sensitive module * With 850mAh inbuilt rechargeable battery * Inbuilt 4MB data logger for GSM/GPRS blind areas * OTA function (Over the air upgrading) * Real time tracking by SMS/GPRS * Get Google Map link / physical address name by SMS * Auto tracking (Time/Distance/Angle Interval) * Historic tracking (Web platform) * Over speed alarm / Geo-fence alarm / movement alarm * Remote engine cut off * Engine ON/OFF, AC ON/OFF detection * Door status detecting * External power cut off alarm * Support camera, capture picture when alert occurs or on demand by SMS or GPRS * Two way communication, listen in voice and speak * Support Active RFID