Original Waterproof Realtime GPS Tracker TK203, Auto Report position

Function                        
"Original Waterproof tracker  
unit size:67*45*14mm(samllest)
1)Auto Report position.
2)Send the last location if it enters into the blind area.
3)Add or change Username and Password.
4)Monitoring and SOS feature.
5)Geofence, movement alert
6)Overspeed alert
7)SOS alert
8)Low battery alert
9)PC commands setting
10)GPRS, UDP, TCP protocol.
11)Google link report, tracking software provided"