SEEWORLD S308 Global Universal 3G 2G Ultrasonic Sensor Anti-stolen Oil Fuel Detector Alarm GPS Locator Tracker

warranty: 1 year You can check the location of the device by here, https://www.whatsgps.com/index.html?lang=en Whats GPS API: https://www.whatsgps.com/WhatsGPS%20API_en.pdf Description: 1. Accurate GPS positioning, dynamic positioning deviation is less than 5 m 2. Get current location immediately, and support real-time tracking (GPS data uploading at interval) 3. Two way voice communication via handset/dispatching screen 4. Two way SMS communication via Mobile and PC software 5. Voice monitoring 6. Protect the device from high level voltage 7. Resend data from signal dead zone 8. Remotely disable engine 9. 2 digital inputs for detecting the status of engine, door, air condition, etc. 10. Remotely control door open/close. 11. SOS alarm, power-off alarm, over-speed alarm, parking alarm, Geo-fence alarm, fatigue driving alarm, Fuel changing alarm, Temperature changing alarm, Mileage statistics 12. Remote update firmware 13. Optional functions (temperature sensor, camera, LED, navigation screen, RFID device,ultrasonic sensor, CLS sensor) Feature: working voltage: 8VDC - 36VDC Working current: 50mA~160mA GSM module Four Band: GSM 850/900/1800/1900Mhz Quectel: M50 Communication protocol: UDP/TCP(can customize) GPS module: Ublox chipset GPS sensitivity: -159dBm GPS frequency: L1, 1575.42 MHz C/A coding: 1.023 MHz chip rate Channels: 20 channels for tracking Position accuracy: 10 meter, 2D RMS Speed accuracy: 0.1 meter/second Time accuracy: GPS synchronization Default data: WGS-84 Recover Average: 0.1 second Hot start Average: 1 second Size: 101x67x24mm Note: This 3G device Suitable for all kinds of trucks Package Included: 1 X Main unit 1 X GPS/GSM Antenna 1 X Power cable 1 X I/O cable 1 X RS232 cable 1 X Relay 1 X English Manual