CalAmp LMU-700 GPS TrackerCalAmp LMU-700 is an economical vehicle and Fleet Managementtracking product, have internal 700 mAh back-up battery and more Inputs/Outputs (I/O). The LMU-700 is a complete vehicle tracking and communications device incorporating next-generation super-sensitive GPS Technology GSM/GPRS cellular networks for installation in any 12 or 24 volt mobile vehicle.