... Geo fence GPRS(class10)/SMS 210CH all-in-viewtracking Speed alarm GPS TrackerDS-GTV01Application motorcycles, electric golf cars,ordinary private ... vehicles can get the location of longitude, latitude. 2, Speed alarm: through the phones to send text messages to the device ... : The phone's settings, data transmission intervals. 6, Power failure alarm. 7, GPRS upload feature: You can upload data via GPRS ...