1. Build-in GPS Vehicles locator
2. Support 4-frequency GSM 850/900/1800/1900 MHz which can Work worldwide
3. Support track the real time address by google link
4. Built in battery 150 mAh,when the engine starts will charge,no worry outage
5. Support Geo Fence Alarm
6. Main Power Off Alarm (with built battery only)
7. Support single location
8. Support Over Speed Alarm
9. Support Low Power Alar
10. Waterproof
11. With ACC to detect ignition


Model name ST-901
Battery 150 Mah
Operating temperature -20° to 55° C
Operating Humidity 5% to 95% Non-condensing
GSM Quad Band GSM 850/900/1800/1900Mhz
GPS sensitivity -162Db
Location Accuracy 10 meters, 2D RMS
Time Accuracy 1 microsecond time synchronization of satellite time
Operating voltage  9-80V

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