Fluorescent light interference filter - prevents false alarms triggered by electro-magnetic fields generated by fluorescent lights, electric motors, 50/60 hZ and related harmonies

DRO patch antenna

Microwave sensitivity adjustment trimmer

12m*12m/39'*39' coverage

Smart walk test

Selectable LED indicators

Selectable AND/OR function - generates an alarm as a result of microwave AND PIR detection, or if either the PIR OR microwave detect motion