SinoTrack ST900 tracker

Power Supply: DC 9–36 V (from vehicle battery)
Backup Battery: Built-in internal battery (for limited operation when main power is cut)
Network / Connectivity: GSM / GPRS — uses standard SIM card for communication
Tracking: Real-time GPS location tracking + GPRS data transmission
Location Accuracy: Typically within about 5–10 metres (depending on GPS signal and coverage)

Core Features:

• Real-time tracking and location updates

• Historical route log / trip history — view past routes

• Geo-fence alerts — notify when vehicle enters or leaves defined zones

• Movement / vibration detection — alert if vehicle is moved or tampered with

• Power-cut / battery-disconnection alert — useful against theft or tampering

• Speed / over-speed alert (optional, depending on configuration)