Epson Printers Compatible ink Original

ST-901 Function:
- Build-in GPS Vehicles locator.
- Support 4-frequency GSM 850/900/1800/1900 MHz which can Work worldwide
- Support track the real time address by google link
- Built in battery 3.7v 370 mAh
- Support Geo Fence Alarm
- Main Power Off Alarm(with built battery only) 
- Support single location
- Waterproof
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Hotline : 0773861778