Dimension:51 x 46 x 17mm  weight:45g
1) Very smallsize,light-weight                       

 2) real time locationupdates                           

3) auto-tracking (intervals)
4) Audio monitoring (listen in)
5) SOS emergency services
6)Move and geofence alert
7)overspeed limit alert
8)low batteryalert                                          

 9)Google map linkSMS                                   

10)Build-in antenna and battery