Topshine Information Technic Co.,Ltd is one of the leading China vehicle GPS tracker VT1000 manufacturers,Website:http://www.topshine-gps.com, equipped with a productive factory, welcome to wholesale cheap car alarm systems, GSM alarm, OBD tracker, GPS tracker OBD2 from us. * GPS tracker + RFID car alarm  * OTA function (Over the air firmware upgrading) * Support max 64G SD card  * Two way communication, listen in and speak * Support Active RFID & passive RFID for anti-theft and driver(student) ID identification function * Support max 4 fuel sensors management * Support camera, Photo logger function with location & driving information * ARM9 100MHz microcontroller * Accident alarm (need optional crash sensor) * Fuel stolen / refuel alert(Optional) * Harsh braking and harsh acceleration alarm * Check the car's real physical address (such as city name,street name...(need support  of the SMS01 or GPRS01 center) * Multiple Geo-Fence Setting,Movement Alert,overspeed Alert,tow alert,main power cut off alert etc.         * Locate by SMS with Google map's link * Idle of Engine for 10min (optional) * Powerful and multifunctional tracker for comprehensive Fleet mangement * 4MB data logger for GSM blind area (Optional 4G SD card data logger) * With 850mAh inbuilt rechargeable battery * Support OBD2 connector * SD card regular photo logger (Optional) * GPS industrial high sensitive module * AC (Air Condition) ON/OFF detection * Different time interval for engine on and off * Support smart phone reader for arm and disarm Model VT1000 Voltage DC 9V~36V/1.5A Dimension 110*80*30mm Input 5 digital input, 3 low-level effective, 2 high-level effective Net weight 180g Output 5 digital output Back-up battery 950mAh/3.7V Analog input 4 ch*12Bits,for fuel sensor ..etc Power consumption 50mA standby current Speaker Optional Crash sensor Optional MIC port Yes Motion sensor Yes RS232 Yes Humidity Up to 75% non-condensing Memory 4 M Bytes Alcohol sensor Optional RFID  Optional for car alarm and fleet managment Frequency bands GSM 850/900/1800/1900 Smart phone reader  Optional for car alarm and fleet management Antenna External GPS sensitivity -161dBm GPS cold start 29 sec GPS warm start 5 sec GPS hot start <1 sec Positioning Accuracy 5 m CEP SD Card Optional Camera Optional