CJ750 Car OBD Interface GPS Locator Beidou Double-Mode Tracker Miniature Anti-Theft Device 1. Material: ABS 2. Chip: MT2503D 3. Network: GSMGPRS 4. Frequency band: GSM 85090018001900MHz 5. GPS positioning accuracy: 5m 6. Alarm mode: vibrationpower failuremovementfenceoverspeed alarm 7. Battery: 70mAh polymer battery included 8. Working voltage: 9-45V 9. Uses: used for car positioning, logistics and transportation fleet management, etc. 10. Dimensions: about 4.5x4x2.5 cm 11. Weight: about 28g The main function: 1. GSM, GPS, Beidou positioning 2. Switch between positioning mode and anti-detection mode 3. Electronic fence 4. Shift alarm 5. Speeding alarm 6. Vibration alarm 7. Sleep power saving mode Features: 1. Built-in GPS and GSM antenna 2. The vehicle does not need to install a portable GPS locator, and the waterproof performance is IPX-6 3. Support mobile APP query function 4. Read location information through BS and mobile APP client 5. Support SMS parameter setting and query function 6. Support base station assisted positioning function, Beidou positioning function, support low power mode 7. Support automatic storage of blind spots and make-up report function 8. Support SMS alarm function 9. Support historical track query within 180 days 10. Built-in high-sensitivity vibration sensor, when the device feels the vibration of the vehicle Send an alarm prompt to the phone immediately 11. OBD interface plug-in type, easy to install, suitable for cars with OBD interface 12. Intelligently turn on the defensedisarm system, automatically obtain the vehicle status, and prevent and control the safety of the vehicle