... in the Gps tracker.Gps tracker ,AVL,GSM/GPRS tracking device,mini tracker,real time tracking,gps tracking system,vehicle gps trackerGT30 is ... child, the elderly, pet, asset, vehicle etc.With superior GPS and GPRS modules, GT30 has good sensitivity and ... (optional)Current location reportTracking by time intervalTwo-way conversationSOS alertGeo-fencing controlLow battery alertSpeeding alertAlert when ...