The interface for external connections presented CalAmp LMU-330 is as follows: 2 digital inputs, 2 digital open collector outputs (150mAh) and 1 analog input. Using LMU-330 in our GPS tracking platform that has European regulations of tachograph, you can manage their control of driving habits and their vehicle care driving or also you can use our REST API to connect existing applications with LMU-330. CalAmp offered as an extra optional features for the tracker LMU-330, a converter cable to connect to the OBDII vehicle port and also a relay to interrupt the ignition in any of their field service management or in their automatic vehicle dispatch.