タイトルまたは説明

 Tracking via SMS or GPRS
 Current location report
 Tracking by time interval
 Two-way conversation
 SOS alert
 Geo-fencing control
 Low battery alert
 Over speed alert
 Four s for making phone call and/or  sending message to reset numbers
 Removable and rechargeable internal battery
 Built-in speaker and microphone
 Alert when Track enter/exits GPS blind area
 Live Voice monitoring
 Vibrating alert
 Without drift
 Vehicle safeguard