You can send different types of alerts depending on your tracker.
Model B (or A) GPS tracker: Area entry, area exit, motion detection, no motion, powering-Off, absence, 3 press button, 1 press button, 2 press button, 4 press button, 1 long press button and low battery.
Model C GPS tracker: Area entry, area exit, motion detection, no motion, absence, low battery.
Performance GSM, Endurance GSM, Mini GSM GPS trackers: Area entry, area exit, motion detection, no motion, absence, low battery, 1 long press button.
OBD GSM, Power GSM GPS trackers: Area entry, area exit, motion detection, no motion, absence, unpluging.
Smartphone tracker via Capturs application: Area entry, area exit, motion detection, no motion.