This offer include the following. 1. Number of devices is 10. 2. Devices model TRCAR. 3. Less than  the retail price by $5 for every item. 4. Real time tracking location by SMS/GPRS. 5. Real time voice monitoring function. 6. Overspeed alarm. 7. connect external relay to realize controlling oil and circuit of vehicle. 8. ACC anti-theft alarm. … Continue reading BASIC