Comus g3sms002 advanced grade 3 shock and motion sensor white surface mounting comus g3sms002 this advanced grade 3 surface mounting motion sensor has fully adjustable sensing of shock or vibration led indicators indicate status and operation and the unit can operate in different modes vibration only motion only or combined adjustable pulse counts eliminate false triggers and there is fully adjustable vibration and motion calibration a teach mode can learn alarm trigger levels comus g3