best quality GPS tracker with external temperature sensor probe for cold logistic management

Model No.:TZ-AVL09 Applications: ·Vehicle Security/Recover/Anti-hijacking         
·Mobile Asset Tracking, Location-based Services        
·Fleet Management: car, taxi, bus, truck etc.        
      Description: ·Support single location and continual tracking         
·Over-speed alarm, Low power alarm, Geo-fence alarm        
·Tremble alarm, Parking alarm, SOS alarm        
·Control car doors close/open, detect the status of engine on/off        
·Cut off the  engine power gradually and safely when in urgency        
·GPRS(TCP/UDP), SMS Support        
·When without tremble the device will go into sleep mode             Special Features:        
1.SD card record (optional)         
2.Can connect external  RFID Reader, Cameras, Printer (optional)        
3.Vehicle examination      
4.3D accelerometer        
5.Support sending GPRS data to IP or DNS        
6.Mileage calculation         
7.32Mb flash memory         
8.Fuel/oil level detection         
9.Temperature sensors  (optional)          10.Two- way conversation          
11. Mobile Google map 12.  Support iButton       Our Factory :